Marsden Tract Group Campsite
Campground
Closure in the area
There's a closure order in George Washington Memorial Parkway. It doesn't name The Knob, so check the source for the area it covers (4 listed).
Memorial Bridge Closed Monday, November 2, from 1 p.m. to 5 p.m.
Park closure covering George Washington Memorial Parkway · NPS · George Washington Memorial Parkway
Northbound GWMP Lane Closures Between Spout Run and Route 123
Park closure covering George Washington Memorial Parkway · NPS · George Washington Memorial Parkway
Single Lane Closures on South Parkway Near River Farm Drive
Park closure covering George Washington Memorial Parkway · NPS · George Washington Memorial Parkway
Temporary Closure of the Clara Barton Parkway 3500 ft of right travel lane
Park closure covering George Washington Memorial Parkway · NPS · George Washington Memorial Parkway
As of · Source: NPS · George Washington Memorial Parkway. Agencies don't list every closure — check before you go.
One of five routes catalogued at Rocky Island, this climb represents the entry point to the South End sector's grade span that extends through 5.10+.
Marsden Tract Group Campsite
Campground
Great Falls Snack Bar
Fast food
If it rainsJoe Ravi, CC BY-SA 3.0 · Wikimedia CommonsColvin Run Mill
Museum
Operational 19th-century water-powered mill in the Washington, D.C. metropolitan area
Places © OpenStreetMap contributors · Photos: Joe Ravi, CC BY-SA 3.0 (commons)
More in Linton HallNot on Roamze yet. Their page has how to reach them.
Best months: March–June and September–November. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
43° / 25°
10 wet
Feb
46° / 27°
9 wet
Mar
55° / 33°
11 wet
Apr
68° / 44°
11 wet
May
76° / 54°
11 wet
Jun
84° / 63°
10 wet
Jul
88° / 68°
10 wet
Aug
86° / 66°
10 wet
Sep
79° / 59°
9 wet
Oct
68° / 47°
10 wet
Nov
56° / 36°
10 wet
Dec
47° / 30°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Dalecarlia Rsvr, MD, 8.2 mi away at 150 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Photo of the crag

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