Campsite Sniper
Wyoming · Recreation.gov

Sibley Lake Campground

44.7591° N / 107.4392° W · Data Sep 18 2026, checked hourly
Next open date Sep 2018 detected openings this week24 monitored sites

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

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Booking reality
Campsite Sniper detected 18 site openings here in the last 7 days
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01 · Detected Opening History · the openings record · file CS-233876

When Sibley Lake reopens

Sibley Lake's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 7 days
18
Openings · last 30 days
28
Openings · last 90 days
32

Only 32 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 21, 2026 · of 24 monitored sites

Of the 96 tracked site-nights (Sep 18 – Sep 21, 2026): 22 open for online reservation · 43 reserved · 31 on sites not offered for online reservation (first-come, first-served or administrative). Of the facility's 24 monitored sites, 19 can be reserved online and 5 are first-come, first-served.

Where the open windows are

77.1% of tracked site-nights are not currently open for online reservation. 22 of 96 remain open; here is where they are.

Load status

Sep 18 – Sep 21, 2026
Not open online77.1%
Open site-nights22 / 96
Reserved (of online inventory)43 / 65
Weekday openings15
Weekend openings7

Of the open site-nights on mapped sites, 15 fall on weekdays and 7 on weekends (Fri–Sun).

Open dates by month

Sep 2026 – Sep 2026
025507510022SEPSOLID = OPEN SITE-NIGHTS · DASHED OUTLINE = TOTAL BOOKABLE

September holds the most room. 22 of 96 site-nights are still open there.

Holiday windows

Sites open per night · of 24 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
002  2
005  2
007  2
008  2
009  2

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 dateSun · Sep 20

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

Stays and site detail

22 open site-nights across 15 sites at Sibley Lake, from the same hourly snapshot as everything above.

Multi-night stays. 7 2-night opening where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 20 at site 002.

RV length. Longest recorded site here is 85 ft. 23 sites take 25 ft, 22 sites take 35 ft, 22 sites take 40 ft. 1 site of 24 has no recorded maximum and is not counted.

All 15 sites with current availability
SiteMax RVHookupsOpen site-nightsLongest runDates
00240 ftNone22 nightsSep 20, Sep 21
00528 ftNone22 nightsSep 20, Sep 21
00740 ftNone22 nightsSep 20, Sep 21
00845 ftNone22 nightsSep 20, Sep 21
00945 ftNone22 nightsSep 20, Sep 21
01050 ftNone22 nightsSep 20, Sep 21
02465 ftYes22 nightsSep 20, Sep 21
00150 ftNone11 nightSep 21
00340 ftNone11 nightSep 21
01255 ftYes11 nightSep 21
01355 ftYes11 nightSep 21
01455 ftYes11 nightSep 21
01558 ftYes11 nightSep 21
01858 ftYes11 nightSep 21
02365 ftYes11 nightSep 21

About Sibley Lake

Overview

Sibley Lake Campground is located at Sibley Lake along the Bighorn Scenic Byway (U.S. Highway 14) near the Burgess Junction at an elevation of 7,900 feet. The Bighorn National Forest offers a wide variety of activities, including hiking, fishing, scenic driving and a number of historic sites. The administering organization is Rustic Freedom / Gallatin Canyon Campgrounds; e-mail: support@rusticfreedom.com

Recreation

Sibley Lake is open to non-motorized craft and offers an accessible fishing dock on the shoreline. Anglers fish for rainbow, brown and brook trout.

Off-road vehicle trails, scenic jeep roads, hiking and additional fishing streams are available in the surrounding area. Diverse hikes vary from loop trails to treks along creeks and over mountain peaks; many trails access the Cloud Peak Wilderness.

Facilities

The campground offers several single-family sites each equipped with a picnic table and campfire ring with grill. Accessible vault toilets, drinking water and trash collection are provided.

Natural Features

The campground is situated near Sibley Lake and Prune Creek in the Bighorn Mountains, where craggy granite peaks rise over 13,000 feet above sea level. A forest of lodgepole pine covers the area, creating excellent wildlife habitat.

Nearby Attractions

Shell Falls Visitor Center, at the overlook of Shell Falls, is about 25 miles southwest. This center offers interpretive trails, scenic views, and educational displays about natural features such as flora and fauna and area history.

24 monitored sites5 FCFS sitesRVs up to 85 ft14 with hookups24 shadedPets OKFire pitsMax party 8

Getting there

From Dayton, Wyoming, take U.S. Highway 14 southwest about 25 miles to the campground.

1240 Lane 14, Worland, WY 82401406-587-9054
BikingBirdingBoatingCanoeingFishingHikingVisitor CenterWildlife Viewing

View on Recreation.gov ↗   Get directions ↗

FAQ

How do I get a reservation at Sibley Lake?

Reservations for Sibley Lake are made through Recreation.gov. 77.1% of tracked site-nights are not currently open for online reservation; 22 of 96 remain open. Campsite Sniper has also detected 32 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 Sibley Lake?

Campsite Sniper detected 18 site-date openings at Sibley Lake in the last 7 days, 28 over 30 days and 32 over the last 90.

Which sites at Sibley Lake fit a 35-foot RV?

22 of the 24 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 85 ft. 23 of those 24 sites have a recorded maximum length and 1 does not; it is not counted as fitting.

Which month has the most availability at Sibley Lake?

September 2026, with 22 open site-nights in the current snapshot of 96.

When is the next open date at Sibley Lake?

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.

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