About Swains Lock Hiker-Biker Overnight (HBO) Campsite
No fee charged. Stay is limited to one night per site, per trip. All sites have a chemical toilet, water, a picnic table, and grill. Please Note: Potable water may not be available at each campsite. Water is treated with iodine. Please plan to have water purification tablets with you. Water is turned off from November 15 to April 15 each year.
National Park Service
Swains Lock Hiker-Biker Overnight (HBO) Campsite is located in Maryland
Mile Marker 16.6 Swains Lock Rd. off of River Rd., Potomac, MD
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