Castle Lake Camping Area in California is a picturesque location with stunning views of the surrounding mountains and lake. There are plenty of outdoor activities to enjoy, such as hiking, fishing, and swimming. The campsite offers amenities such as picnic tables, fire rings, and vault toilets. Reservations are not accepted, and campsites are available on a first-come, first-serve basis. There are 19 campsites available, and the best time to visit is from June to September when temperatures range from 40-80°F. Overall, Castle Lake Camping Area is a great option for those looking for a peaceful camping experience in a beautiful natural setting.