Butte Lake Campground in Lassen Volcanic National Park, California, offers stunning views of the surrounding mountains and lake. The site has 101 campsites and is open from June to October. Amenities include water, picnic tables, fire pits, and flush toilets. The campground is first-come-first-served, so plan accordingly. Activities in the area include hiking, fishing, and swimming. The best time to visit is from July to September, with average temperatures ranging from 70-80°F during the day and 40-50°F at night.