Seneca Trails Route
ElevationAscent: 1,421' 433 m
Descent: -1,434' -437 m
High: 412' 126 m
Low: 198' 60 m
GradeAvg Grade: 2% (1°)
Max Grade: 15% (8°)
Current trail conditions
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“A singletrack route including all three of the 'Seneca' trails in MoCo.”— Pam Smith
Pick up the Seneca Bluff Trail by leaving the parking lot and crossing the road. Continue moving to the west...away from trail you just came from and against traffic. The new trail will be on your left. Continue on the Seneca Bluff Trail until it eventually comes out on River Rd. Turn left and cross the bridge (do not cross the street) and turn onto Seneca Rd. If you end up at Rileys Lock, you've gone the wrong way!
From Seneca Rd, pick up the Seneca Creek Greenway Trail on your left. Follow the Seneca Creek Greenway Trail back to Rte 28 (this time the trail goes underneath Rte 28) and on towards Black Rock Mill.
From Black Rock Rd, it is about 26 miles if you return to Seneca Creek Park via the Seneca Creek Greenway Trail (on the other side of the bridge and stream). If you choose to continue on the Seneca Ridge Trail and include a lap around Clopper lake once back at the park, the total distance is closer to 50K (maybe a bit over!)
Land Manager: Maryland Department of Natural Resources