Pick a site on the map to see its availability calendar.
No detected openings were recorded in the last 90 days. Campsite Sniper monitors Ackerman Campground continuously and will alert you if that changes.
Of the 9,150 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 5,214 on sites not offered for online reservation (first-come, first-served or administrative) · 3,936 closed. Of the facility's 51 monitored sites, 19 can be reserved online and 31 are first-come, first-served (1 closed).
Of the 9,150 tracked site-nights (Sep 18, 2026 – Mar 19, 2027): 5,214 on sites not offered for online reservation (first-come, first-served or administrative) · 3,936 closed.
No month in range currently shows online availability. 0 open site-nights across the tracked window — these site-nights are a mix of reserved, closed, unreleased and non-reservable dates.
| 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 | 0 | None open |
| FRI Nov 27 | 0 | None open | |
| SAT Nov 28 | 0 | None open | |
| Christmas | THU Dec 24 | 0 | None open |
| FRI Dec 25 | 0 | None open | |
| New Year | THU Dec 31 | 0 | None open |
| FRI Jan 1 | 0 | None open |
Labor Day: no online availability on any tracked night. Thanksgiving: no online availability on any tracked night. Christmas: no online availability on any tracked night. New Year: no online availability on any tracked night.
Ackerman Campground is a lakeside facility that's a favorite of fishermen. It is located in the beautiful Trinity Lake/Weaverville Area of Shasta-Trinity National Forest, which is part of the Whiskeytown-Shasta-Trinity National Recreation Area. The campground is open year-round for walk-ins. Reservations are accepted May 21st through September 10th.
The area offers excellent opportunities for fishing, boating and wildlife viewing. Lewiston Lake is 610 acres and offers good fishing for kokanee salmon, as well as rainbow, brown and brook trout.
There are two accessible boat ramps near this facility. Fairview boat ramp access to Trinity Lake is 3 miles north and Pine Cove boat ramp access to Lewiston Lake is 2 miles south. Motorized boats are limited up to 10 miles per hour.
Lewiston Lake is a popular destination for kayakers. Hikers can enjoy the 2-mile North Lakeshore Trail.
This campground can accommodate trailers and RVs up to 40 feet. Each site is equipped with a picnic table and a campfire ring with grill. The parking spurs are either grass or gravel.
The campground is situated at an elevation of 1,900 feet on the western shore of Lewiston Lake at the base of Trinity Dam. Some deciduous and conifer trees are found around the campground, but it is mostly unshaded.
Cold, crystal-clear Lewiston Lake is roughly 5 miles long and a half-mile wide. It features a mountainous shoreline and a topography that ranges from marshlands to dense forest.
From Weaverville, take Highway 3 north for 7 miles. Turn right on Rush Creek Road for 9 miles. Turn left on Trinity Dam Boulevard for 7.5 miles.
View on Recreation.gov ↗ Get directions ↗












Campsite Sniper's current snapshot shows none of the 9,150 tracked site-nights open for online reservation at Ackerman Campground. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. 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.
48 of the 48 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 40 ft.
As of the Sep 18, 2026 snapshot, none of the 9,150 tracked site-nights are open for online reservation. That can mean dates are reserved, closed, not yet released, or offered first-come, first-served rather than online. A free Campsite Sniper alert tells you if any date opens online.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Ackerman Campground. One watch covers every matching online-reservable site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.
Alerts monitor online-reservable inventory only; first-come, first-served sites are not included.