The Delaware Water Gap is part of the Kittatinny mountains, split by the Delaware river with Mount Minsi on the Pennsylvania side and Mount Tammany on the New Jersey side. This app describes the routes on both cliffs, which are managed by the National Park Service for recreation. It currently details 241 trad, 12 aid, 5 toprope, and 2 sport routes, as well as 9 boulder problems. There are no fees to climb in the gap, so come show it some love!
Purchase a license HERE, then download the free Gunks app from your favorite store.