A slew of areas scattered across many miles. Nothing is big (80 feet max) but the proximity to the metropolitan area, generally easy access, good climbs, and generous people make the area one of the best in Maryland.
Mostly Topropes, but some good leads as well. For trad the classic is the notoriously sandbagged Blue Rose at 5.8+. And for sport check out The Truth at 10d.
Cataloged here are only a few of the best areas. Local John Kelbel has recently released a darn near comprehensive guide to the area at Patapsco Rock He has diligently walked almost the entire park and his guide will get you to nearly 100 different climbable pieces of rock in the park. The guide is all online using Google Earth. Need to download the plug-in but definitely worth the hassle. Check it out.
Patapsco State Park runs from just south of Baltimore city west and slightly north till Sykesville. The access points differ for each cliff and are described in the appropriate section.
Climb the corner to the roof making a long reach to the end of the overhang for a horn and then another horn. Climb the short crack above and follow the low angle crack out left to the top. ...[more]Browse More Classics in MD