Campsite Sniper
Texas · Recreation.gov

Chisos Basin Campground (Big Bend, TX)

29.2757° N / 103.3017° W · Data Nov 2 2026, checked hourly
Next open date Nov 4Next open weekend Nov 20191 detected openings this week56 monitored sites

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Every site at Chisos Basin Campground (Big Bend, TX), colored by availability across the tracked window. Tap a site for its calendar.
Chisos Basin Campground (Big Bend, TX)

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Booking reality
Campsite Sniper detected 191 site openings here in the last 7 days
Set a free alert →
01 · Detected Opening History · the openings record · file CS-234038

When Chisos Basin Campground (Big Bend, TX) reopens

Chisos Basin Campground (Big Bend, TX)'s openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
191
Openings · last 30 days
727
Openings · last 90 days
1,425

Weekday pattern

Detected openings by day of week · 90d
050100150200250224186180202183197253MONTUEWEDTHUFRISATSUNOPENINGS RECORDED · LAST 90 DAYS · N = 1,425

No strong weekday pattern is evident in the openings Campsite Sniper has detected: 1,425 openings spread across the week.

Hour-of-day pattern

First detected by hour · local time · last 90 days
050100150200250243000408121620HOUR OF DAY (24H) · CT · LAST 90 DAYS

The largest concentrations of detected openings were first detected during the 07:00 and 09:00 local-time hours. Those hours contained 362 of 1,425 detected openings (25.4%). Hours show when Campsite Sniper first detected each opening, in Central Time, not when the change was made upstream.

Lead-time profile

Days before stay date · percentiles
P25 · 5DMEDIAN · 13 DAYS OUTP75 · 14D0306090120150180DAYS BEFORE STAY DATE

Half of the openings Campsite Sniper detected appeared at least 13 days before the stay date; the middle 50% land 5–14 days out. Set an alert if you want Campsite Sniper to monitor future openings.

Highest-churn sites

Most openings · 90d
SiteOpeningsShare of all openings
031  503.5%
012  453.2%
055  422.9%
013  412.9%
058  412.9%

Site 031 had the most detected openings in the last 90 days: 50. One free watch covers every site here.

02 · Availability Outlook · Nov 2, 2026 – May 3, 2027 · of 56 monitored sites

Of the 10,248 tracked site-nights (Nov 2, 2026 – May 3, 2027): 1,302 open for online reservation · 5,528 reserved · 19 closed · 3,399 not yet released.

Where the open windows are

87.3% of tracked site-nights are not currently open for online reservation. 1,302 of 10,248 remain open; here is where they are.

Load status

Nov 2, 2026 – May 3, 2027
Not open online87.3%
Open site-nights1,302 / 10,248
Reserved (of online inventory)5,528 / 6,830
Weekday openings791
Weekend openings511

Of the open site-nights on mapped sites, 791 fall on weekdays and 511 on weekends (Fri–Sun).

Open dates by month

Nov 2026 – May 2027
04008001,2001,6002,00018742582082952690NOVDECJANFEBMARAPRMAYSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

April holds the most room. 526 of 1,680 site-nights are still open there.

Holiday windows

Sites open per night · of 56 sites
WindowNightSites openStatus
ThanksgivingTHU Nov 2617Open
FRI Nov 2717Open
SAT Nov 2820Open
ChristmasTHU Dec 240None open
FRI Dec 250None open
New YearTHU Dec 310None open
FRI Jan 10None open
Memorial DayFRI May 280None open
SAT May 290None open
SUN May 300None open
MON May 310None open

Thanksgiving: 17 sites are available for the complete three-night stay. Christmas: no online availability on any tracked night. New Year: no online availability on any tracked night. Memorial Day: no online availability on any tracked night.

Best-availability sites

Most open site-nights · tracked window
SiteOpen site-nights
034  59
023  53
039  49
044  48
028  47

The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.

Next windows

As of Nov 2, 2026 snapshot
Next open dateWed · Nov 4
Next open weekendFri · Nov 20

The next bookable night is Nov 4; the first open weekend starts Nov 20. Campsite Sniper can watch later dates for you.

Stays and site detail

1,302 open site-nights across 56 sites at Chisos Basin Campground (Big Bend, TX), from the same hourly snapshot as everything above.

Multi-night stays. 188 2-night, 127 3-night, 63 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Nov 10 at site 031.

All 56 sites with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
03420 ftNone5923 nightsJan 10, 2027, Jan 11, 2027, Jan 12, 2027, Jan 13, 2027, Jan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027 +47 more
02320 ftNone5316 nightsJan 10, 2027, Jan 13, 2027, Jan 14, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027 +41 more
03920 ftNone4925 nightsJan 11, 2027, Jan 12, 2027, Jan 13, 2027, Jan 14, 2027, Jan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027 +37 more
04422 ftNone4815 nightsJan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027 +36 more
02820 ftNone4716 nightsJan 3, 2027, Jan 12, 2027, Jan 13, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027 +35 more
03520 ftNone4625 nightsJan 12, 2027, Jan 13, 2027, Jan 22, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027 +34 more
02720 ftNone4515 nightsJan 12, 2027, Jan 13, 2027, Jan 14, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027 +33 more
03624 ftNone4119 nightsJan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 8, 2027, Feb 9, 2027, Feb 18, 2027 +29 more
04319 ftNone407 nightsDec 1, Jan 14, 2027, Jan 18, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 29, 2027, Feb 1, 2027, Feb 2, 2027 +28 more
03220 ftNone3912 nightsDec 3, Jan 3, 2027, Jan 6, 2027, Jan 10, 2027, Jan 11, 2027, Jan 12, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 8, 2027, Feb 9, 2027 +27 more
04120 ftNone3812 nightsJan 10, 2027, Jan 11, 2027, Jan 12, 2027, Jan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 27, 2027, Feb 2, 2027, Feb 3, 2027, Feb 7, 2027, Feb 10, 2027, Feb 11, 2027 +26 more
02420 ftNone3712 nightsJan 13, 2027, Jan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027 +25 more
03320 ftNone3710 nightsNov 5, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 8, 2027 +25 more
01624 ftNone3622 nightsJan 8, 2027, Jan 13, 2027, Jan 14, 2027, Jan 19, 2027, Jan 20, 2027, Jan 30, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 7, 2027, Feb 9, 2027, Feb 11, 2027 +24 more
02524 ftNone3618 nightsJan 5, 2027, Jan 12, 2027, Jan 14, 2027, Jan 18, 2027, Jan 19, 2027, Jan 23, 2027, Jan 24, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027, Jan 31, 2027 +24 more
04523 ftNone3620 nightsJan 10, 2027, Jan 18, 2027, Jan 19, 2027, Jan 20, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 4, 2027, Feb 5, 2027, Feb 8, 2027, Feb 17, 2027 +24 more
01920 ftNone339 nightsJan 11, 2027, Jan 12, 2027, Jan 13, 2027, Jan 20, 2027, Jan 23, 2027, Jan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027 +21 more
00424 ftNone3120 nightsJan 20, 2027, Jan 21, 2027, Jan 23, 2027, Jan 24, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Feb 3, 2027, Feb 4, 2027, Mar 3, 2027, Apr 14, 2027 +19 more
00524 ftNone3122 nightsJan 4, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 31, 2027, Feb 17, 2027, Feb 27, 2027, Apr 2, 2027, Apr 3, 2027, Apr 12, 2027, Apr 13, 2027, Apr 14, 2027 +19 more
00324 ftNone3011 nightsNov 4, Jan 13, 2027, Jan 14, 2027, Jan 21, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 28, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027 +18 more
02624 ftNone3012 nightsJan 14, 2027, Jan 28, 2027, Feb 21, 2027, Feb 22, 2027, Feb 23, 2027, Feb 25, 2027, Mar 29, 2027, Apr 4, 2027, Apr 5, 2027, Apr 9, 2027, Apr 11, 2027, Apr 12, 2027 +18 more
02920 ftNone3012 nightsJan 25, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Feb 2, 2027, Feb 7, 2027, Feb 8, 2027, Feb 11, 2027, Feb 28, 2027, Apr 2, 2027, Apr 11, 2027, Apr 12, 2027 +18 more
00223 ftNone2917 nightsJan 10, 2027, Jan 19, 2027, Jan 20, 2027, Jan 21, 2027, Jan 28, 2027, Feb 1, 2027, Feb 7, 2027, Feb 10, 2027, Feb 19, 2027, Apr 11, 2027, Apr 12, 2027, Apr 13, 2027 +17 more
04220 ftNone299 nightsJan 11, 2027, Jan 12, 2027, Jan 13, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 31, 2027, Feb 1, 2027, Feb 6, 2027, Feb 7, 2027, Mar 27, 2027 +17 more
03822 ftNone277 nightsJan 21, 2027, Jan 26, 2027, Jan 27, 2027, Jan 28, 2027, Jan 29, 2027, Jan 30, 2027, Jan 31, 2027, Feb 1, 2027, Feb 15, 2027, Feb 16, 2027, Mar 3, 2027, Mar 26, 2027 +15 more
00124 ftNone265 nightsJan 14, 2027, Jan 22, 2027, Jan 23, 2027, Jan 24, 2027, Jan 25, 2027, Jan 26, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 4, 2027, Feb 15, 2027 +14 more
02020 ftNone2611 nightsJan 23, 2027, Jan 31, 2027, Feb 1, 2027, Feb 2, 2027, Feb 3, 2027, Feb 9, 2027, Feb 10, 2027, Feb 11, 2027, Apr 1, 2027, Apr 5, 2027, Apr 11, 2027, Apr 12, 2027 +14 more
04017 ftNone266 nightsJan 10, 2027, Jan 11, 2027, Jan 20, 2027, Jan 26, 2027, Jan 27, 2027, Feb 8, 2027, Feb 9, 2027, Feb 10, 2027, Feb 15, 2027, Feb 16, 2027, Feb 17, 2027, Feb 23, 2027 +14 more
00724 ftNone2214 nightsDec 9, Jan 25, 2027, Jan 26, 2027, Feb 2, 2027, Feb 7, 2027, Apr 3, 2027, Apr 14, 2027, Apr 15, 2027, Apr 20, 2027, Apr 21, 2027, Apr 22, 2027, Apr 23, 2027 +10 more
00624 ftNone2011 nightsDec 9, Jan 5, 2027, Jan 20, 2027, Jan 21, 2027, Jan 22, 2027, Feb 17, 2027, Mar 31, 2027, Apr 11, 2027, Apr 20, 2027, Apr 23, 2027, Apr 24, 2027, Apr 25, 2027 +8 more
02120 ftNone142 nightsJan 10, 2027, Jan 18, 2027, Jan 20, 2027, Jan 29, 2027, Feb 20, 2027, Feb 24, 2027, Feb 27, 2027, Mar 31, 2027, Apr 11, 2027, Apr 18, 2027, Apr 19, 2027, Apr 27, 2027 +2 more
037 - ADA Only24 ftNone1414 nightsNov 16, Nov 17, Nov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27 +2 more
03022 ftNone1310 nightsFeb 15, 2027, Feb 20, 2027, Mar 29, 2027, Apr 24, 2027, Apr 25, 2027, Apr 26, 2027, Apr 27, 2027, Apr 28, 2027, Apr 29, 2027, Apr 30, 2027, May 1, 2027, May 2, 2027 +1 more
04924 ftNone1313 nightsNov 17, Nov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28 +1 more
00820 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
01024 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
01220 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05120 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05224 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05719 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05919 ftNone1212 nightsNov 18, Nov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05020 ftNone1111 nightsNov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05519 ftNone1111 nightsNov 19, Nov 20, Nov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
01724 ftNone93 nightsJan 19, 2027, Jan 24, 2027, Apr 5, 2027, Apr 22, 2027, Apr 26, 2027, Apr 27, 2027, May 1, 2027, May 2, 2027, May 3, 2027
04820 ftNone99 nightsNov 21, Nov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05824 ftNone88 nightsNov 22, Nov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
05322 ftNone77 nightsNov 23, Nov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
06020 ftNone66 nightsNov 24, Nov 25, Nov 26, Nov 27, Nov 28, Nov 29
00924 ftNone55 nightsNov 25, Nov 26, Nov 27, Nov 28, Nov 29
05424 ftNone55 nightsNov 25, Nov 26, Nov 27, Nov 28, Nov 29
01824 ftNone41 nightFeb 11, 2027, Mar 2, 2027, Mar 26, 2027, May 3, 2027
03120 ftNone42 nightsNov 5, Nov 10, Nov 11, Nov 29
01324 ftNone21 nightNov 4, Nov 29
01424 ftNone22 nightsNov 28, Nov 29
01524 ftNone22 nightsNov 28, Nov 29
05619 ftNone22 nightsNov 28, Nov 29

About Chisos Basin Campground (Big Bend, TX)

Overview

Chisos Basin Campground, perched high in the rugged Chisos Mountains, is the most sought-after campground in Big Bend National Park. At an altitude of 5,400 ft. (1646 m), the campground is surrounded on all sides by tall, rocky cliffs and is conveniently located near some of the park's most spectacular and popular trails. This campground offers excellent views and mild temperatures.

Also found in the Chisos Basin area is the Chisos Basin Visitor Center, the General Store and the Chisos Mountains Lodge, which houses the only restaurant in Big Bend National Park.

Important : The road to the campground is steep and winding with sharp hairpin turns. Trailers over 19 feet and RVs over 24 feet are not recommended, and will not be accommodated. No RV parking is available at the group campground, nor is generator use allowed. All sites where you may have a generator are now reservable. If you need to use a generator and you do not have a reservation in a site that will allow generator use, you will need to camp elsewhere.

Note: Campsites are small, rocky, and not level, so there are very few sites truly suitable for RVs. Many sites will allow an RV/Trailer/Van/Camper, but you will not be able to get level. The campground is almost always full, and if the site you booked doesn’t work, in all likelihood you will NOT be able to switch sites, and will either have to make your site work, or find accommodations at another campground. It is necessary that you carry some form of leveling blocks/devices with you. Please carefully review the site details before making a reservation.

Recreation

This campground is a hub for hikers. Some of the park's most spectacular and popular Day Hike trails are nearby, including the Lost Mine Trail, the Window Trail, the South Rim Trail and the Pinnacles Trail, with its access to the park's highest point, Emory Peak (elevation 7,825 ft./2385 m). Campers can find the trailheads for most of these trails in the main Chisos Basin area a mile or so further down the basin road from the campground.

Access to the river is approximately 30 miles (48 km) away, where visitors can canoe, kayak and fish.

Facilities

The Chisos Basin Campground has 60 individual campsites. The campground is reservable year-round, some sites six months in advance, some two weeks in advance (Sites 8 - 10, 12 - 15, 31, 37 (accessible), and 48 - 60. There is no first-come, first served camping. A few sites are set aside for administrative use.

Because of the size of each campsite, they are more suitable to tent camping than RVs or trailers, though both are allowed at some campsites. Each site comes with a picnic table, charcoal grill and bear-proof food storage container, and some sites come with picnic shelters for shade. Sites are generally rocky and not level. Most campsites are within easy walking distance to drinking water and toilets, and a dump station is provided for RVs and trailers.

The dump station is oddly situated and requires EXTRA long hoses, as it's on the right side of the road, opposite from most RV sewer outlets. Another more easily utilized dump station is located at Rio Grande Village.

Natural Features

The national park is named for a curve in the Rio Grande called the "big bend." For 1,250 miles (2012 km), the river is an International Boundary between the United States and Mexico.

The campground lies at the base of several sloping cliffs amidst montane shrubland; desert plants such as Arizona cyprus and mesquite trees fill the landscape. Maple, aspen, pinyon and ponderosa pines grow at higher elevations just above the campground. Though it is lower than the surrounding cliffs, the Chisos Basin is at a higher elevation than other campgrounds within the park. Summer temperatures here are cool, yet warmer than other areas in fall and winter due to the cold air sinking into lower regions.

The Chisos Mountains are a popular nesting site for migratory birds. The mountains provide the only nesting ground in the United States for the Colima warbler, which arrives in mid-April and departs for its wintering grounds in southwestern Mexico by mid-September.

Nearby Attractions

Big Bend National Park encompasses 801,000 acres (324,153 ha) and the Chisos Basin area is centrally located. This allows visitors an excellent opportunity to explore all areas of the park in a relatively short drive. Big Bend offers excellent hiking trails, miles of rugged dirt roads, and endless possibilities for sightseeing.

56 monitored sitesRVs up to 24 ftNo hookups34 shadedPets OKMax party 8

Getting there

From Interstate 10, take highway 385 south to Fort Stockton and then on to Marathon. From Marathon, go 40 miles (64 km) south on Highway 385 to the north entrance of Big Bend National Park. Drive straight 26 miles (42 km) to Park Headquarters at Panther Junction. Turn right and drive for three miles (1 km). Turn left at the Basin sign and go seven miles (2.1 km) before making a right into the campground road.

Po Box 129, Big Bend Nat. Park, TX 79834432-477-1121
BirdingCampingEvening ProgramsGuided Interpretive WalksHikingPicnickingWildlife Viewing

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Chisos Basin Campground (Big Bend, TX)?

Reservations for Chisos Basin Campground (Big Bend, TX) are made through Recreation.gov. 87.3% of tracked site-nights are not currently open for online reservation; 1,302 of 10,248 remain open. Campsite Sniper has also detected 1,425 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.

Does Campsite Sniper book this campground for me?

No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.

How current is this availability data?

Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Nov 2, 2026 18:20 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.

How often do new openings appear at Chisos Basin Campground (Big Bend, TX)?

Campsite Sniper detected 191 site-date openings at Chisos Basin Campground (Big Bend, TX) in the last 7 days, 727 over 30 days and 1,425 over the last 90.

Can I get a multi-night stay at Chisos Basin Campground (Big Bend, TX)?

127 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Nov 16 at site 037 - ADA Only. Confirm and book on Recreation.gov.

Which sites at Chisos Basin Campground (Big Bend, TX) fit a 35-foot RV?

No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 24 ft.

Which month has the most availability at Chisos Basin Campground (Big Bend, TX)?

April 2027, with 526 open site-nights in the current snapshot of 1,680.

How far ahead of a stay do openings appear at Chisos Basin Campground (Big Bend, TX)?

Half of the openings Campsite Sniper detected appeared at least 13 days before the stay date; the middle 50% landed 5-14 days out. Campsite Sniper can monitor future changes for dates you select.

When is the next open date at Chisos Basin Campground (Big Bend, TX)?

As of the Nov 2, 2026 snapshot: the next open date is Wed, Nov 4 and the next open weekend starts Fri, Nov 20. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.

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