sentences:  The state park was opened to the public in December 1973.In order to create the lake, the state bought 5,286 acres of what was known as the Tohickon Valley, including the community of Tohickon, and surrounding Bucks County areas.The average annual snowfall total at Lake Nockamixon is greater than 24 inches (61 cm) but less than 36 inches (91 cm).