Beginning in Pennsylvania, the Genesee River flows northerly entering New York in Allegany County. For over 40 miles it flows the county, passing through the Villages of Wellsville and Belmont. DEC stocks over 19 miles of the Genesee River with brown trout. The river has nearly 18 miles of public fishing rights easements, including a 2.5 mile section near Shongo, where only catch and release fishing is allowed.[Source]