Overview Hat Creek is one of six campgrounds available in the Hat Creek Recreation Area, home to some of the area's best trout fishing. Scenic hiking trails and an active volcanic area can easily be accessed from the facility.Recreation Hat Creek is popular for its trophy trout fishing. The cold waters of the creek allow for a refreshing play on hot summer days. Other popular activities in the area include wildlife viewing, hunting, backpacking, hiking and caving. A variety of day hikes are ava