- N123 -

Home About The Parks Learning in the Parks What We Do Donate More. The Friends of Rockland Lake and Hook Mountain PLAY THE VIDEO The Friends of Rockland Lake and Hook Mountain is a nonprofit organization dedicated to supporting the preservation of the local history and natural resources of Rockland Lake Hook Mountain Nyack Beach State Park and Haverstraw Beach State Park. The Friends of Rockland Lake and Hook Mountain educates the general public about these parks and helps to protect these public lands for generations to come. Help protect our parks environment and history PO Box 1042 Nyack NY 10960 Email inforocklandlakeandhookmt.