Pick a site on the map to see its availability calendar.
Only 4 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 183 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 167 open for online reservation · 14 reserved · 2 on sites not offered for online reservation (first-come, first-served or administrative).
Of the open site-nights on mapped sites, 100 fall on weekdays and 67 on weekends (Fri–Sun).
December holds the most room. 31 of 31 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 | |
| Thanksgiving | THU Nov 26 | 1 | Open |
| FRI Nov 27 | 1 | Open | |
| SAT Nov 28 | 1 | Open | |
| Christmas | THU Dec 24 | 1 | Open |
| FRI Dec 25 | 1 | Open | |
| New Year | THU Dec 31 | 1 | Open |
| FRI Jan 1 | 1 | Open |
Labor Day: no online availability on any tracked night. Thanksgiving: 1 site is available for the complete three-night stay. Christmas: 1 site is available for the complete two-night stay. New Year: 1 site is available for the complete two-night stay.
| Site | Open site-nights |
|---|---|
| GS1 | 167 |
This site currently has 167 site-nights available.
The next bookable night is Sep 22; the first open weekend starts Oct 9. Campsite Sniper can watch later dates for you.
Multi-night stays. 4 2-night, 4 3-night, 2 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 27 at site GS1.
RV length. Longest recorded site here is 30 ft. 1 site takes 25 ft.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| GS1 | 30 ft | None | 167 | 138 nights | Sep 22, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8, Oct 9 +155 more |
Dekkas Rock Campground provides scenic views of the mountainous shoreline from the McCloud Arm of Lake Shasta. This group campground offers sites adjacent to the lake and is open for reservations year-round.
Hikers can access the trailhead for the 1-mile Hirz Bay Trail at the camp. This trail is for hikers only. The Hirz Bay public boat ramp is nearby and offers access for both motorized and non-motorized boats.
Lake Shasta offers excellent fishing for trout, catfish, Chinook salmon, crappie, bluegill, white sturgeon, brown bullhead and bass. Water skiing is also a popular pastime.
The group camp will accommodate up to 60 people. Sites are adjacent to the water, but lake levels drop as the summer progresses.
The facility provides 8 large tables, 2 large pedestal grills, 1 large family barbecue grill, 2 campfire rings and 4 unpaved parking spurs.
An additional unpaved parking lot with 8 spaces is provided for boat trailers and overflow use.
Drinking water and vault toilets are available. Bear-proof food lockers are provided.
Shasta-Trinity is the largest national forest in California with a diverse landscape encompassing five wilderness areas, hundreds of mountain lakes and 6,278 miles of streams and rivers.
Lake Shasta sits at an elevation of 1,067 feet, with 365 miles of shoreline punctuated by steep mountains blanketed in manzanita and evergreens. A snow-capped Mount Shasta, the second-tallest mountain in the Cascade Range, looms in the distance.
Lake Shasta Caverns are also located on the McCloud Arm of Shasta Lake in an area known as the Grey Rocks. Tours are given daily at this privately owned facility.
The nearby Hirz Mountain Lookout offers panoramic views of Mt. Shasta, Mt. Lassen and the surrounding area at an elevation of 3,500 feet.
Exit I-5 at Gilman Road/Salt Creek Road. Southbound traffic: exit and turn left onto Salt Creek Road, second left is Gilman Road. Northbound traffic: turn right onto Gilman Road. Follow Gilman Road for 10 miles east to Dekkas Rock Group.
View on Recreation.gov ↗ Get directions ↗









Reservations for Dekkas Rock are made through Recreation.gov. The current snapshot shows substantial availability: 167 of 183 tracked site-nights are open (91.3%), though availability can change. Campsite Sniper has also detected 4 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 4 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
4 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 GS1. Confirm and book on Recreation.gov.
No RV-analyzable site here has a recorded maximum of 35 ft or more; the longest recorded is 30 ft.
December 2026, with 31 open site-nights in the current snapshot of 31.
As of the Sep 18, 2026 snapshot: the next open date is Tue, Sep 22 and the next open weekend starts Fri, Oct 9. 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 Dekkas Rock. 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.