Pick a site on the map to see its availability calendar.
Only 14 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 572 tracked site-nights (Sep 18 – Oct 31, 2026): 111 open for online reservation · 184 reserved · 277 on sites not offered for online reservation (first-come, first-served or administrative).
Of the open site-nights on mapped sites, 95 fall on weekdays and 16 on weekends (Fri–Sun).
October holds the most room. 63 of 403 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 |
|---|---|
| 015 | 12 |
| 025 | 12 |
| 019 | 11 |
| 018 | 10 |
| 017 | 9 |
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 22; the first open weekend starts Oct 10. Campsite Sniper can watch later dates for you.
Multi-night stays. 32 2-night, 21 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 22 at site 015.
RV length. Longest recorded site here is 35 ft. 13 sites take 25 ft, 13 sites take 35 ft.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 015 | 35 ft | None | 12 | 5 nights | Sep 22, Sep 23, Sep 24, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 025 | 35 ft | None | 12 | 5 nights | Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 019 | 35 ft | None | 11 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 11 |
| 018 | 35 ft | None | 10 | 5 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 5, Oct 6, Oct 7, Oct 10, Oct 11 |
| 017 | 35 ft | None | 9 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 29, Sep 30, Oct 1, Oct 6, Oct 7, Oct 8 |
| 020 | 35 ft | None | 9 | 5 nights | Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 |
| 026 | 35 ft | None | 9 | 4 nights | Sep 22, Sep 23, Sep 24, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 11 |
| 023 | 35 ft | None | 8 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 30, Oct 1, Oct 4, Oct 7, Oct 8 |
| 014 | 35 ft | None | 7 | 2 nights | Sep 23, Sep 24, Sep 29, Sep 30, Oct 5, Oct 6, Oct 11 |
| 022 | 35 ft | None | 7 | 3 nights | Sep 22, Sep 23, Sep 24, Sep 30, Oct 1, Oct 7, Oct 8 |
| 024 | 35 ft | None | 7 | 4 nights | Sep 22, Sep 23, Oct 1, Oct 5, Oct 6, Oct 7, Oct 8 |
| 021 | 35 ft | None | 6 | 4 nights | Sep 29, Sep 30, Oct 4, Oct 5, Oct 6, Oct 7 |
| 016 | 35 ft | None | 4 | 3 nights | Sep 27, Oct 6, Oct 7, Oct 8 |
Located in the ponderosa pine forest, this campground is within walking distance of Willow Springs Lake which provides boating and fishing opportunities. Hiking and mountain biking opportunities are nearby in the non-motorized Wildlife Area. The General Crook National Recreation Trail is also within a mile of the campground. Be prepared for rain, often heavy, through July and August. Expect cool to cold nighttime temperatures.
Sinkhole Campground has 26 sites (sites 14 through 26 are available for advanced reservation). Sites 1 through 13 are first-come, first served. There are two accessible sites, two double sites and the rest are single sites. All sites are back-in. Each site offers a campfire ring with grill and picnic table. Additional amenities include accessible vault toilets, drinking water and trash service. A camp host is available at the site.
Woods Canyon Lakes is located approximately 10 miles west off of Road 300 and Road 105. The store at the lake has boat and kayak rentals. Gas, phone and groceries are available approximately four miles east at Forest Lakes.
Located on Willow Springs Lake Road approximately 1/2 mile off of Highway 260.
View on Recreation.gov ↗ Get directions ↗












Reservations for Sinkhole Campground are made through Recreation.gov. 80.6% of tracked site-nights are not currently open for online reservation; 111 of 572 remain open. Campsite Sniper has also detected 14 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 17:19 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 4 site-date openings at Sinkhole Campground in the last 7 days, 10 over 30 days and 14 over the last 90.
21 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 22 at site 015. Confirm and book on Recreation.gov.
13 of the 13 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 35 ft.
October 2026, with 63 open site-nights in the current snapshot of 403.
As of the Sep 18, 2026 snapshot: the next open date is Tue, Sep 22 and the next open weekend starts Sat, Oct 10. 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 Sinkhole Campground. 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.