There are four hiking trails at Merkle that explore the upland forests and marshes of the Patuxent. Our trails are open to hikers only. Bikes and horses may visit nearby Rosaryville State Park. All trail distances are round-trip, measured from the Visitor Center (except Lookout Creek Trail).
From Annapolis: 34.5 miles<br />Follow Route 50 West to Route 301 South. Continue on Route 301 South to Croom Road (Route 382). Turn left on Croom Road. Continue on Croom Road and turn left on St. Thomas Church Road, which will turn into Fenno Road. Continue until you see Sanctuary signs on your left at Merkle Road.
http://www.tripleblaze.com/trail.php?c=3&i=4229