Waterloo Recreation Area encompasses over 21,000 wilderness acres and is the largest park in all of the lower peninsula. The area includes 11 lakes and miles of hiking and biking trails for visitors to enjoy. The recreation area offers multiple campgrounds including two modern, one rustic, and an equestrian campground. The Green Lake Campground is situated on the southern shoreline of Green Lake and includes 25 rustic sites for tent, trailers, and RV camping (up to 35 feet long). Sites are equipped with picnic tables and fire pits. Amenities also include drinking water and vault toilets. The rustic sites are $13 per night and are available on a first-come, first-serve basis. There is one yurt in the campground as well that can sleep up to 5 people and includes beds, propane heating, and a small table. There is no electricity. The yurt is $65 per night and can be reserved online.