Campsite Sniper
Wyoming · Recreation.gov

Hidden Valley Group Site

41.2335° N / 105.4343° W · Data Sep 18 2026, checked hourly
Next open date Sep 202 detected openings this week1 monitored site

Pick your campsite

Every site at Hidden Valley Group Site, colored by availability across the tracked window. Tap a site for its calendar.
Hidden Valley Group Site

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

Booking reality
Campsite Sniper detected 2 site openings here in the last 7 days
Set a free alert →
01 · Detected Opening History · the openings record · file CS-231845

When Hidden Valley Group Site reopens

Hidden Valley Group Site's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
2
Openings · last 30 days
2
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 – Sep 26, 2026 · of 1 monitored site

Of the 9 tracked site-nights (Sep 18 – Sep 26, 2026): 5 open for online reservation · 4 reserved.

Where the open windows are

44.4% of tracked site-nights are not currently open for online reservation. 5 of 9 remain open; here is where they are.

Load status

Sep 18 – Sep 26, 2026
Not open online44.4%
Open site-nights5 / 9
Reserved (of online inventory)4 / 9
Weekday openings4
Weekend openings1

Of the open site-nights on mapped sites, 4 fall on weekdays and 1 on weekends (Fri–Sun).

Open dates by month

Sep 2026 – Sep 2026
02468105SEPSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

September holds the most room. 5 of 9 site-nights are still open there.

Holiday windows

Sites open per night · of 1 site
WindowNightSites openStatus
Labor DaySAT Sep 50None open
SUN Sep 60None open
MON Sep 70None open

Labor Day: no online availability on any tracked night.

Availability

Most open site-nights · tracked window
SiteOpen site-nights
1  5

This site currently has 5 site-nights available.

Next windows

As of Sep 18, 2026 snapshot
Next open dateSun · Sep 20

The next bookable night is Sep 20. Campsite Sniper can watch later dates for you.

Stays and site detail

5 open site-nights across 1 site at Hidden Valley Group Site, from the same hourly snapshot as everything above.

Multi-night stays. 1 2-night, 1 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site 1.

All 1 site with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
1Not recordedNone55 nightsSep 20, Sep 21, Sep 22, Sep 23, Sep 24

About Hidden Valley Group Site

Overview

Hidden Valley Group Site offers a large open space surrounded by scenic forest. Ideal for groups of up to 200 people to gather amidst a beautiful outdoor setting. This is a great facility for family reunions, weddings, birthday parties, youth group outings, graduation celebrations, or large outdoor events and can be used as an overnight campground as well.

Recreation

Both camping and picnicing are possible at this group site. Nearby at the Tie City and Summit Trailheads exists an extensive bike trail system.

Facilities

The picnic site can accommodate up to 200 guests and 50 vehicles at a time. Vault toilets, picnic tables, and grills are provided.

Handpump water may be available in this campground from May to September. These dates may vary due to weather, well and/or pump maintenance, and water testing requirements. As such, we encourage you to bring your own water or call ahead.

Natural Features

This group site lies just east of Laramie, Wyoming, at an elevation of 8,600 feet.

The Medicine Bow-Routt National Forests and Thunder Basin National Grassland encompass nearly 3 million acres from central and northeastern Wyoming to north-central Colorado.

Lodgepole pine, aspen, fir, spruce, and shrubs dominate the landscape of the national forests. The Grassland boasts numerous species of grasses and wildflowers that add color to the landscape during warmer months.

Black bear, bobcat, coyote, elk, mule deer, and moose are just some of the many animals that inhabit these rich and diverse lands.

Nearby Attractions

Many more outdoor opportunities exist in the surrounding national forests and grasslands, including hiking, biking, camping, horseback and off-road vehicle riding, fishing, hunting, sightseeing, and winter sports.

1 monitored siteNo hookups1 shadedPets OKMax party 300

Getting there

From Laramie, Wyoming, take I-80 east to exit 323 at Happy Jack Road. Turn left onto Happy Jack Road and follow it past the Summit Visitor Center. Take Forest Road 705 for a mile southeast to picnic area.

Laramie Ranger District, Laramie, WY 82070307-745-2300
CampingClimbingDay Use AreaHikingMountain BikingOff Highway Vehicle TrailsOff Road Vehicle TrailsPhotographyPicnickingRock ClimbingWildlife Viewing

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Hidden Valley Group Site?

Reservations for Hidden Valley Group Site are made through Recreation.gov. 5 of 9 tracked site-nights are currently open (55.6%). 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 Hidden Valley Group Site?

Campsite Sniper detected 2 site-date openings at Hidden Valley Group Site in the last 7 days, 2 over 30 days and 2 over the last 90.

Can I get a multi-night stay at Hidden Valley Group Site?

1 three-night opening is showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 20 at site 1. Confirm and book on Recreation.gov.

Which month has the most availability at Hidden Valley Group Site?

September 2026, with 5 open site-nights in the current snapshot of 9.

When is the next open date at Hidden Valley Group Site?

As of the Sep 18, 2026 snapshot: the next open date is Sun, Sep 20. 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 Hidden Valley Group Site. 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

Tie City Campground (WY)WY · 17 sitesYellow Pine Campground (WY)WY · 19 sitesVedauwoo GazeboWY · 1 siteVedauwoo Tent Campground (WY)WY · 19 sitesVedauwoo Campground (WY)WY · 28 sitesLake OwenWY · 30 sites

Browse all campgrounds →