The name Natchaug means "land between the rivers" and refers to the land at the junction of the Bigelow and Still Rivers which join to form the Natchaug River. The forest is popular for its horse trails, outstanding fishing, and riverfront picnic sites. Of historic interest is a large stone fireplace and chimney that are the remains of the birthplace of General Nathaniel Lyon, the first Union General killed in the Civil War.

Activities include backpack camping, cross country skiing, fishing, hiking, horseback riding, horse camping, hunting, mountain biking, picnicking, and snowmobiling.