Dispersed / primitivetype
Freeto camp
Apr–Jun & Aug–Octbest months
About Lock 21 “Swains” Campground
- Managed by: National Park Service
- Where: 2 mi south of Travilah, MD · 39.0311, -77.24439
Amenities:
ToiletsTents allowed
Official page for this camp (fees, closures, booking)
Weather by month
42°26°Jan
46°27°Feb
54°34°Mar
66°44°Apr
74°53°May
83°62°Jun
87°67°Jul
85°65°Aug
78°58°Sep
67°47°Oct
56°37°Nov
46°30°Dec
Typical daily highs and lows (°F), 1991–2020 NOAA normals. Best months: Apr–Jun & Aug–Oct (comfortable days, mild nights, little rain). Nights below freezing: Dec–Feb.
See Lock 21 “Swains” Campground from above
Fly over it in 3D, check today's weather and fire news, plan the drive and print a trip plan.
Good to know
Cell signal
Verizon 5G · AT&T 5G · T-Mobile 5G
From the carriers' FCC coverage maps, which tend to be generous.Night sky: Bright suburban
The Milky Way shows only on the best nights, if at all.
Class 6 of 9, from NASA/NOAA night-light data.Stargazing nearby: Observatory Park at Turner Farm (Urban Night Sky Place), 3 mi.
RV essentials
Dump station: 16.1 mi
Water fill-up: 14.1 mi
Propane: 7.6 mi
Camps nearby
- Robert C. McDonell Campground 5.1 mi
- Horsepen Branch 8.7 mi
- Camp Bennett 15.3 mi
- Little Bennett Campground 15.6 mi
- Cherry Hill Park 16.1 mi
- Hike In Camp Site 16.3 mi