Castle Lake Campground is a small, primitive 6-site campground in Shasta-Trinity National Forest located 0.

25 miles below Castle Lake at 5,400 feet elevation, offering vault toilets, fire rings, and picnic tables with no fees or reservations (first-come, first-served).

The campground provides easy access to Castle Lake for fishing, kayaking, and swimming, with a short paved road (7 miles from Mt.

Shasta city) and nearby day-use parking area, though visitors must bring their own water and note the 3-night stay limit and that large vehicles/trailers are not recommended.