Directions to Lockhouse 21

From I-495: Continue North Take, then take exit 35 to merge onto I-270 toward Frederick. Continue on I-270, then take exit 4B. Continue on Montrose Road, following MD-189/Falls Road. MD-189 will become MD-190 at River Road. Continue West to Swains Lock Rd. Turn left (south) on Swains Lock Rd. and follow until it dead ends into the C&O Canal. Park in the spot behind the lockhouse.

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