Lock 21 “Swains” Campground
Travilah, Maryland · 164 ft · In Chesapeake and Ohio Canal National Historical Park
Aerial view · USGS / USDA NAIP · Public domain · source
Photos taken nearby
From Wikimedia Commons, taken close to this campground — not necessarily pictures of it.
At a glance
3 of 8 facts known · inferred from the kind of place
- Elevation
- 164 ft (50 m)164 ft50 m
- Land
- Chesapeake and Ohio Canal National Historical Park
National Park Service
Chesapeake and Ohio Canal National Historical Park · 20 campgrounds
Ringed: you're here
Open in the mapOther campgrounds in Chesapeake and Ohio Canal National Historical Park 20
Nearest first. Every place inside the park's boundary.
- Swains Lock Hiker-Biker Campsite5 sites · Freeunder 100 ft
- Horsepen Branch Hiker-Biker Overnight (HBO) Campsite1 site · Free8.7 mi
- Chisel Branch Hiker-Biker Overnight (HBO) Campsite1 site · Free13 mi
- Marble Quarry Hiker-Biker Campsite1 site · Free17 mi
- Indian Flats Hiker-Biker CampsiteFree18 mi
- Brunswick Family Campground$159–$245 a night · full hookups28 mi
Also in the park: 22 backcountry and High Sierra camps
Open the park pageAmenities
From OpenStreetMap, Overture Maps Foundation — Places · Correct
- Backcountry camping
- Tent sites
- Toilets
From OpenStreetMap, Overture Maps Foundation — Places
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Cell service
Report signal- Verizon4G LTE
- AT&T5G · 4G LTE
- T-Mobile5G · 4G LTE
Cell service at Lock 21 “Swains” Campground: FCC map Dec 2025
Weather
National Weather Service
- WedSunny, 6% chance of rain85°60°
- ThuChance Rain Showers, 54% chance of rain65°58°
- FriShowers And Thunderstorms Likely, 57% chance of rain79°45°
- SatSunny, 3% chance of rain54°36°
- SunSunny59°42°
Nearby camping
SeeSee all on the mapOutside the park, nearest first.
Camp Fraser
Campground · 3.7 mi · Great Falls
Marsden Tract Group Campsite
National Park · 3.9 mi · Potomac
Robert C. McDonell Campground
Public Land · 5.1 mi · Potomac
3 more within 25 mi
Location and contact
Data from OpenStreetMap, Overture Maps Foundation — Places
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