Notes about the aid station locations:the GPS coordinates are close but not perfect. You’ll need to look for the trail crossing. This is especially true on 118 Germantown Road.
Start/Finish Watkins Mill HS 39.183504,-77.215691
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355 AS –Mile 8 and 48 39.167285,-77.229338
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Riffle Ford AS –Mile 12.8 and 42.8 39.133356,-77.268047
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Rte 28 East (Tunnel) FULL AS –Mile 16 39.106703,-77.234488
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Quince Orchard on Muddy Branch AS
(NO CARS!) –Mile 18.2 39.091966,-77.247448
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Pennyfield Lock FULL AS –Mile 25.1 39.056617,-77.293217
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Stone Mill FULL AS –Mile 28.6 39.069163,-77.343342
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Rte 28 West FULL AS –Mile 35 39.128196,-77.333166
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118 Germantown Rd (Water Only) -
Mile 38 39.128396,-77.296972
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Watkins Mill Rd AS
(near start/finish) –Mile 5.3 39.186988,-77.21465
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Brink/Wightman AS -
Mile 2.4 39.201531,-77.20391
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