HM20 Loop via Wood-Marr(edit)

Overview

This is a moderate loop trail to HM20 in Patapsco Valley State Park Marriottsville Area.

This trail goes by BW92, BW91, HM42, HM33, HM34, HM32, HM31, HM30, HM22, HM24, HM26, HM25, HM23, HM21, HM07, HM05, HM06, Patapsco River, BW22, HM10, HM11, HM12, HM13, HM14, HM15, HM40, HM41, and BW90.