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The C&O Canal Towpath Trail and Great Allegheny Passage

Lock #21 (Swain's Lock)

Camping, Point of Interest, Parking
Potomac MD


Lock 21 (Swains Lock)
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C&O Canal Trail

Forum Discussions about Lock #21 (Swain's Lock)

Lock #21 (Swain's Lock) in Potomac
Lowell J Herschberger from Brooklyn on 8/17/2018 8:19:19 PM:
Is it safe to leave a car here for several days?

Lock #21 (Swain's Lock) in Potomac
Robert martin from Silverspring md. on 8/30/2013 9:47:23 PM:
Do I need a permit to camp. If so where do I get it.

 
Stillridng from Pittsburgh, PA. on 8/31/2013 9:52:26 AM:
This is a free campsite at mile marker 16. I think it has 5 to 7 sites available. Right next to the river, very nice.

 
vabiker23518 from Williamsburg, VA on 9/6/2013 10:00:03 AM:
It's been a few years ago, but I camped there and no permits were required.

Lock #21 (Swain's Lock) in Potomac
Mark Bottinick from Silver Spring on 6/11/2013 8:43:56 PM:
The email above should read "there is NO water at swain's lock" not "there is now water at Swain's lock."

No Water at Swain's Lock Campground
Swagman from LaGrange, GA on 3/17/2013 4:24:16 PM:
There is now potable water at Swain’s Lock. The water fountain device was removed when NPS removed the concessions stand next to the Lock 21. There is no water pump either. You’ll need to filter water from the canal or Potomac.