Great place for a hike or go fishing along the Canal. Plenty of largemouth bass, mostly under 10". I saw several snakeheads here too, so they are in there.
Another nice place to hike and camp along the c&o canal. Parking is a little tight, not many spots, especially bad on nice weekend. Less crowded than great falls so fewer people and more wildlife.
Hikers and bicycle access only (no autos or campers). Great place on the Potomac River with multiple sites for primitive camping. Each site has a park bench, fire ring, and elevated and open BBQ grill. Shared porta-John's and water nearby.
Too many non bikers/hikers camp here during summer months due to close proximity to road. Unsupervised kids and dogs running amuck. Not a ranger in site. Would be 5 star otherwise.
Good starting point for a 5 Mike there and back run to great falls.
Swain S Lock C O Canal Lock 21 is a US Park based in Potomac, Virginia. Swain S Lock C O Canal Lock 21 is located at 10700 Swains Lock Rd, Potomac, MD 20854, USA.
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