Clark Brook Campsite is a first-come-first-serve camping area located in New Hampshire's White Mountains. It offers beautiful views of the surrounding mountains and forests, with nearby hiking trails and scenic drives. The campground has basic amenities, including picnic tables, fire rings, and pit toilets, but no running water or showers. There are only four campsites available, making it a quiet and secluded option for camping. The best time to visit is from June to September, with average temperatures ranging from 40°F to 70°F. Visitors should be prepared for cool nights and inclement weather.