Here's what other sites are saying:
Scattered throughout New Jersey and just over the borders of Pennsylvania, Delaware, and New York are a variety of cragging and bouldering areas worthy of any climbers tick list.
This rock climbing guide includes bouldering in New York City, the Delaware Water Gap and Delaware state
Cragging and bouldering areas worthy of any climber's tick list are sprinkled throughout New Jersey, New York, Pennsylvania, and Delaware. Rock Climbing New Jersey, by Paul Nick and Neil J.A. Stone, offers coverage of all of them, from steep multipitch routes to roofy routes to clean granite slabs.
Falcon Guides Rock Climbing Connecticut
Falcon Guides Rock Climbing New England
Falcon Guides Rock Climbing Virginia, West Virginia and Maryland
Falcon Guides Hiking New Jersey
Falcon Guides Ice Climbing Pennsylvania
Adirondack Mountain Club Adirondack Trails Northville-Placid Trail
Liberty Mountain Susquehanna River Trail Map and Guide - Lower
National Geographic New York Recreation Atlas