HomeUSAMarylandHarper's FerryGrassy Knoll BoulderGrassy Knoll BoulderLAT,LNG 39.32488, -77.71866CREATED UPDATED Edit MapShareDescription[Edit]A single, rather squat boulder in the woods. It's on Elk Ridge. Often a stop when heading between Balcony Rock and Balcony Jr and the Highlands.4 ClimbsComing soon: New Climbs1Doh!V1Bouldering2Snake CharmerV0-1Bouldering3Man ChesterV1-2Bouldering4Snake BellyV1-2Bouldering