Designation of public lands as wilderness continues to be a contentious iss
ue. With about 45 million acres designated as wilderness in the lower 48 st
ares, the question of whether designation of additional wilderness would re
sult in increased recreation use has been raised. We address this issue usi
ng a fixed-effects regression model for wilderness use at national forests
and national parks throughout the United States. We find the acreage variab
le is statistically significant in predicting visitor use at both agencies
land. It appears that additional designations of wilderness will provide re
creation benefits.