Campsite Sniper
Colorado · Recreation.gov

Spillway Campground

38.9066° N / 105.4681° W · Data Sep 18 2026, checked hourly
Next open date Sep 23Next open weekend Oct 212 detected openings this week22 monitored sites

Pick your campsite

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

Pick a site on the map to see its availability calendar.

Booking reality
Campsite Sniper detected 12 site openings here in the last 7 days
Set a free alert →
01 · Detected Opening History · the openings record · file CS-233721

When Spillway Campground reopens

Spillway Campground's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
12
Openings · last 30 days
28
Openings · last 90 days
33

Only 33 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 – Oct 11, 2026 · of 22 monitored sites

Of the 528 tracked site-nights (Sep 18 – Oct 11, 2026): 238 open for online reservation · 238 reserved · 52 unavailable (cause unspecified).

Where the open windows are

54.9% of tracked site-nights are not currently open for online reservation. 238 of 528 remain open; here is where they are.

Load status

Sep 18 – Oct 11, 2026
Not open online54.9%
Open site-nights238 / 528
Reserved (of online inventory)238 / 476
Weekday openings181
Weekend openings57

Of the open site-nights on mapped sites, 181 fall on weekdays and 57 on weekends (Fri–Sun).

Open dates by month

Sep 2026 – Oct 2026
010020030099139SEPOCTSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

October holds the most room. 139 of 242 site-nights are still open there.

Holiday windows

Sites open per night · of 22 sites
WindowNightSites openStatus
Labor DaySAT Sep 50None open
SUN Sep 60None open
MON Sep 70None open

Labor Day: no online availability on any tracked night.

Best-availability sites

Most open site-nights · tracked window
SiteOpen site-nights
006  15
002  14
003  14
005  13
009  13

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 dateWed · Sep 23
Next open weekendFri · Oct 2

The next bookable night is Sep 23; the first open weekend starts Oct 2. Campsite Sniper can watch later dates for you.

Stays and site detail

238 open site-nights across 22 sites at Spillway Campground, from the same hourly snapshot as everything above.

Multi-night stays. 56 2-night, 38 3-night, 3 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 23 at site 002.

RV length. Longest recorded site here is 35 ft. 8 sites take 25 ft, 4 sites take 35 ft. 5 sites of 22 have no recorded maximum and are not counted.

All 22 sites with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
006Not recordedNone158 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +3 more
002Not recordedNone148 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9 +2 more
003Not recordedNone147 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9 +2 more
005Not recordedNone135 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +1 more
00925 ftNone135 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +1 more
02020 ftNone136 nightsSep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 5, Oct 6, Oct 7, Oct 8 +1 more
02220 ftNone135 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +1 more
02420 ftNone135 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +1 more
004Not recordedNone125 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01220 ftNone125 nightsSep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01720 ftNone125 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01120 ftNone115 nightsSep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01625 ftNone115 nightsSep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01320 ftNone105 nightsSep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6
01820 ftNone105 nightsSep 23, Sep 24, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8
02335 ftNone105 nightsSep 23, Sep 27, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
00732 ftNone95 nightsSep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 6, Oct 7, Oct 8
00835 ftNone95 nightsSep 23, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11
01020 ftNone84 nightsSep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 11
01935 ftNone74 nightsSep 27, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7
02125 ftNone63 nightsSep 28, Sep 29, Oct 6, Oct 7, Oct 8, Oct 11
01435 ftNone32 nightsSep 30, Oct 1, Oct 4

About Spillway Campground

Overview

Spillway Campground is perched along the South Platte River near the base of the dam of Eleven Mile Reservoir. Adventurists and families alike will find things to do here. Birding is excellent, as is hiking. Rock climbers enjoy the solid rocky cliffs of the canyon and fly fishermen find abundant catches in the river.

Recreation

Hike the Overlook Trail for breathtaking views of Eleven Mile Canyon and Reservoir. Occasionally, Golden Eagles can be viewed nesting in the nearby granite cliffs and crags. Springtime brings higher chances of spotting Bald Eagles.

Visitors enjoy fishing by shore or canoe. Rainbow and brown trout, kokanee salmon and pike are among the species anglers are likely to find.

Facilities

Spillway Campground offers about 23 reservable campsites. Parking aprons are gravel and can fit a maximum trailer length of 25 feet. Amenities include vault toilets, picnic tables, hand pump for drinking water, and campfire rings.

Natural Features

The campground, at altitude 8,500 feet, is located at the edge of Eleven Mile Canyon, furthest from the canyon entrance. Some campsites are shaded by scattered spruce and ponderosa pine.

Spillway is the closest campground to the Eleven Mile Reservoir, which spans 3,405 surface acres and 5 miles in length. Eleven Mile Canyon was cut by the South Platte River and is bordered by polished gray granite cliffs.

Nearby Attractions

Visitors enjoy the Florissant Fossil Beds National Monument, one of the richest and most diverse fossil deposits in the world. Petrified redwood stumps up to 14 feet wide and thousands of detailed fossils of insects and plants reveal the story of a very different, prehistoric Colorado.

22 monitored sitesRVs up to 35 ftNo hookups19 shadedPets OKFire pitsMax party 8

Getting there

From Lake George, Colorado, turn off of Highway 24 onto County Road 96. Follow the road for about one mile turn right to the Eleven Mile Canyon entrance. Spillway Campground is the last campground which is about 9 miles up Eleven Mile Canyon near the dam.

P.O. Box 74, Lake George, CO 80827
CampingFishingHikingRock Climbing

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Spillway Campground?

Reservations for Spillway Campground are made through Recreation.gov. 238 of 528 tracked site-nights are currently open (45.1%). Campsite Sniper has also detected 33 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 Spillway Campground?

Campsite Sniper detected 12 site-date openings at Spillway Campground in the last 7 days, 28 over 30 days and 33 over the last 90.

Can I get a multi-night stay at Spillway Campground?

38 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 27 at site 003. Confirm and book on Recreation.gov.

Which sites at Spillway Campground fit a 35-foot RV?

4 of the 22 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 35 ft. 17 of those 22 sites have a recorded maximum length and 5 do not; they are not counted as fitting.

Which month has the most availability at Spillway Campground?

October 2026, with 139 open site-nights in the current snapshot of 242.

When is the next open date at Spillway Campground?

As of the Sep 18, 2026 snapshot: the next open date is Wed, Sep 23 and the next open weekend starts Fri, Oct 2. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.

Stop refreshing. Let the app watch it.

Filter

Lakefront, hookups, your RV length, weekends only - set it as picky as you want.

Watch

We run paced availability checks for Spillway Campground. One watch covers every matching site.

Get the ping

When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.

Get Campsite Sniper - free on iOS & Android

Nearby campgrounds

Cove CampgroundCO · 4 sitesSpringer GulchCO · 14 sitesRiverside (CO)CO · 18 sitesBlue MountainCO · 20 sitesPulver Mountain Group SiteCO · 1 siteRound MountainCO · 15 sites

Browse all campgrounds →