Campsite Sniper
Utah · Recreation.gov

Simpson Springs Campground

40.0366° N / 112.7832° W · Data Sep 18 2026, checked hourly
Next open date Sep 18Next open weekend Sep 181 detected openings this week23 monitored sites

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Every site at Simpson Springs Campground, colored by availability across the tracked window. Tap a site for its calendar.
Simpson Springs Campground

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Booking reality
Campsite Sniper detected 1 site opening here in the last 7 days
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01 · Detected Opening History · the openings record · file CS-256892

When Simpson Springs Campground reopens

Simpson Springs Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
1
Openings · last 30 days
1
Openings · last 90 days
2

Only 2 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.

02 · Availability Outlook · Sep 18, 2026 – Mar 19, 2027 · of 23 monitored sites

Of the 4,209 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 1,131 open for online reservation · 23 reserved · 2,197 on sites not offered for online reservation (first-come, first-served or administrative) · 858 not yet released. Of the facility's 23 monitored sites, 11 can be reserved online and 12 are first-come, first-served.

Where the open windows are

73.1% of tracked site-nights are not currently open for online reservation. 1,131 of 4,209 remain open; here is where they are.

Load status

Sep 18, 2026 – Mar 19, 2027
Not open online73.1%
Open site-nights1,131 / 4,209
Reserved (of online inventory)23 / 1,154
Weekday openings648
Weekend openings483

Of the open site-nights on mapped sites, 648 fall on weekdays and 483 on weekends (Fri–Sun).

Open dates by month

Sep 2026 – Mar 2027
02004006008001383233293410 OPEN0 OPEN0 OPENSEPOCTNOVDECJANFEBMARSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

January shows no online availability. 0 of 713 tracked site-nights are open there — 372 on sites not offered online, 341 not yet released.

Holiday windows

Sites open per night · of 23 sites
WindowNightSites openStatus
Labor DaySAT Sep 50None open
SUN Sep 60None open
MON Sep 70None open
ThanksgivingTHU Nov 2611Open
FRI Nov 2711Open
SAT Nov 2811Open
ChristmasTHU Dec 2411Open
FRI Dec 2511Open
New YearTHU Dec 3111Open
FRI Jan 10None open

Labor Day: no online availability on any tracked night. Thanksgiving: 11 sites are available for the complete three-night stay. Christmas: 11 sites are available for the complete two-night stay. New Year: no site is currently available for the complete two-night stay. Friday has no online availability; individual Thursday night remains open.

Best-availability sites

Most open site-nights · tracked window
SiteOpen site-nights
001  105
002  105
003  105
006  105
007  105

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 Sep 18, 2026 snapshot
Next open dateFri · Sep 18
Next open weekendFri · Sep 18
January0 of 713 · no online availability

The next bookable night is Sep 18; the first open weekend starts Sep 18. Campsite Sniper can watch later dates for you.

Stays and site detail

1,131 open site-nights across 11 sites at Simpson Springs Campground, from the same hourly snapshot as everything above.

Multi-night stays. 22 2-night, 20 3-night, 19 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 18 at site 001.

RV length. Longest recorded site here is 98 ft. 22 sites take 25 ft, 21 sites take 35 ft, 21 sites take 40 ft. 1 site of 23 has no recorded maximum and is not counted.

All 11 sites with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
00190 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
00248 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
00348 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
00648 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
00770 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
01058 ftNone105105 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +93 more
00448 ftNone10346 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +91 more
00548 ftNone10069 nightsSep 18, Sep 19, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Oct 2, Oct 3 +88 more
Simpson Springs Group SiteNot recordedNone10075 nightsSep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 +88 more
00896 ftNone9977 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +87 more
00932 ftNone9977 nightsSep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +87 more

About Simpson Springs Campground

Overview

The campground is situated on the eastern edge of Utah's West Desert near the historic Simpson Springs station on the Pony Express National Historic Trail. Simpson Springs was the site of a significant Civilian Conservation Corps (CCC) camp in the late 1930s and early 1940s, just prior to the establishment of the US Army Dugway Proving Grounds during World War II.

23 monitored sites12 FCFS sitesRVs up to 98 ftNo hookups1 shadedPets OKFire pitsMax party 50

Getting there

From I-80, take exit 199 (Tooele) and travel south on Highway 36 for approximately 40 miles. Turn right onto the Pony Express Road and travel for approximately 25 miles. The campground is approximately 12 miles south of Dugway, Utah, on the Pony Express Road.

491 N. John Glenn Rd, Salt Lake City, UT 84116801-977-4300

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Simpson Springs Campground?

Reservations for Simpson Springs Campground are made through Recreation.gov. 73.1% of tracked site-nights are not currently open for online reservation; 1,131 of 4,209 remain open. Campsite Sniper has also detected 2 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 Sep 18, 2026 16:19 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 Simpson Springs Campground?

Campsite Sniper detected 1 site-date opening at Simpson Springs Campground in the last 7 days, 1 over 30 days and 2 over the last 90.

Can I get a multi-night stay at Simpson Springs Campground?

20 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 18 at site 001. Confirm and book on Recreation.gov.

Which sites at Simpson Springs Campground fit a 35-foot RV?

21 of the 23 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 98 ft. 22 of those 23 sites have a recorded maximum length and 1 does not; it is not counted as fitting.

Which month has the most availability at Simpson Springs Campground?

December 2026, with 341 open site-nights in the current snapshot of 713.

When is the next open date at Simpson Springs Campground?

As of the Sep 18, 2026 snapshot: the next open date is Fri, Sep 18 and the next open weekend starts Fri, Sep 18. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.

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