Boulder Lake Camping Area in Wyoming offers stunning views of the Wind River Mountains and the nearby Boulder Lake. The area offers hiking and fishing opportunities as well as boating and swimming. The campground has 35 first-come-first-serve campsites with fire pits and picnic tables. Amenities include vault toilets and potable water. The best time to visit is from late June to early September, with average temperatures ranging from 40 to 70 degrees Fahrenheit.