Pick a site on the map to see its availability calendar.
Only 26 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.
Of the 602 tracked site-nights (Sep 18 – Oct 1, 2026): 436 open for online reservation · 57 reserved · 109 on sites not offered for online reservation (first-come, first-served or administrative).
Of the open site-nights on mapped sites, 335 fall on weekdays and 101 on weekends (Fri–Sun).
September holds the most room. 394 of 559 site-nights are still open there.
| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open |
Labor Day: no online availability on any tracked night.
| Site | Open site-nights |
|---|---|
| 005 | 11 |
| 007 | 11 |
| 008 | 11 |
| 009 | 11 |
| 014 | 11 |
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.
The next bookable night is Sep 21; the first open weekend starts Sep 25. Campsite Sniper can watch later dates for you.
Multi-night stays. 54 2-night, 54 3-night, 30 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 21 at site 005.
RV length. Longest recorded site here is 100 ft. 43 sites take 25 ft, 42 sites take 35 ft, 42 sites take 40 ft.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 005 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 007 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 008 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 009 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 014 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 015 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 017 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 018 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 019 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 022 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 023 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 024 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 025 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 026 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 027 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 028 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 029 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 031 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 032 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 033 | 65 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 034 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 035 | 55 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 036 | 40 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 038 | 100 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 039 | 90 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 040 | 90 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 041 | 70 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 042 | 50 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 043 | 55 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 044 | 50 ft | None | 11 | 11 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 001 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 002 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 003 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 004 | 25 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 011 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 013 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 016 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 021 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 030 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 037 | 40 ft | None | 9 | 5 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
| 010 | 40 ft | None | 8 | 4 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1 |
| 012 | 40 ft | None | 8 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 |
Cow Creek South Campground is located on the northeast shore of Green Mountain Reservoir in White River National Forest, offering an ideal setting for visitors seeking a multitude of recreational activities both on water and on land. fast
Encompassing a landscape of rivers, mountains, trails and forest roads, the White River National Forest is one of the top recreation forests in the nation.
Located on the shores of Green Mountain reservoir, Cow Creek Campground is a popular spot for boating, canoeing, fishing, water skiing and windsurfing.
Anglers will find populations of rainbow and brown trout, as well as kokanee salmon when casting their lines out into the water.
Spring Creek is a popular off-roading area located at the northern end of the Gore Mountain Range. A network of roads open to off-road vehicle use meanders through lodgepole pine and spruce/fir forests. Viewpoints of surrounding mountains open up along these roads.
Cow Creek South Campground has 44 standard sites suitable for tents, trailers and RVs. Vault toilets are provided.
All motorized watercraft must be inspected for Aquatic Nuisance Species and must launch from a monitored launch ramp. The Heeney Marina below the Town of Heeney on the west shore is open during daylight hours throughout the season. Other ramps are available as reservoir water levels allow.
In the heart of the Rocky Mountains, the 2.3 million-acre White River National Forest is a place of serenity and adventure, boasting eight wilderness areas, four defined seasons and ten peaks surpassing 14,000 feet in elevation.
The White River National Forest was established in 1891 as the White River Plateau Timber Reserve; the second such reserve to be named in the United States. In 1905, the newly formed Forest Service was given authority of the reserve.
Long before this designation, the area was home to the Ute Indians who followed herds of elk and bison on their seasonal migrations.
Wildlife in the area abounds. Bighorn sheep navigate rocky ridges and bull elk bugle at dusk. Scenic rivers sustain populations of cutthroat, rainbow and brown trout. Alpine regions provide habitat for pika and ptarmigan.
Take some time to visit Rocky Mountain National Park to learn about the diverse landscape and history of the area through interpretive programs and exhibits. In the summer visitors may want to traverse Trail Ridge Road from one side of the park to the other, reaching alpine vistas boasting elevations of more than 12,000 feet.
From Silverthorne, Colorado on Interstate 70 take exit 205 and go 22.4 miles north on Colorado Highway 9. The campground is near the mid-point of Green Mountain Reservoir. The entrance is on the left just before mile marker 124. From Kremmling, Colorado, turn off Highway 40 onto Colorado Highway 9 South and go 15.1 miles. The campground is near the mid-point of Green Mountain Reservoir. The entrance is on the right, just beyond mile marker 124.
View on Recreation.gov ↗ Get directions ↗












Reservations for Cow Creek South are made through Recreation.gov. The current snapshot shows substantial availability: 436 of 602 tracked site-nights are open (72.4%), though availability can change. Campsite Sniper has also detected 26 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.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
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.
Campsite Sniper detected 14 site-date openings at Cow Creek South in the last 7 days, 26 over 30 days and 26 over the last 90.
54 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 21 at site 005. Confirm and book on Recreation.gov.
42 of the 43 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 100 ft.
September 2026, with 394 open site-nights in the current snapshot of 559.
As of the Sep 18, 2026 snapshot: the next open date is Mon, Sep 21 and the next open weekend starts Fri, Sep 25. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Cow Creek South. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.