On July 13, 1898, the state bought a tract of land in Cummings Township for $72.99 ($ in terms). This was the first purchase for what became Tiadaghton State Forest, which surrounds Upper Pine Bottom State Park. Most of the major purchases for it were made between 1900 and 1935. As of , the Tiadaghton State Forest covered , chiefly in Lycoming County with small tracts in Clinton, Potter, Tioga, and Union Counties. The largest section of the state forest covers in the Pine Creek valley (and encircles the park).