Skip to content

Dragon Swamp in Virginia

Stream30.9 mi
Make a poster

Around here

Around Dragon Swamp

5 mi

Data Source: Recreation.gov Ā· Source: USGS GNIS Ā· Source: National Park Service. No claim to original U.S. Government works. Ā· Public land: USGS PAD-US

About this river

Dragon Swamp is a 30.9 mile stream. Streamflow is measured at the USGS gauge Dragon Swamp at Mascot, VA (site 01669520). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1982 to 2026

Dragon Swamp typically runs highest in March, at a median 148 cfs, and lowest in September, at 15 cfs. The highest flow on record for any single day is 6,050 cfs, in 1999.

Show the numbers
Typical flow by month at Dragon Swamp at Mascot, VA, in cfs
MonthTypical (cfs)Usual range (cfs)
January11770 to 190
February14281 to 230
March14887 to 228
April12581 to 199
May9553 to 157
June5920 to 95
July278.3 to 81
August256.5 to 88
September154.9 to 57
October3010 to 97
November6234 to 131
December10460 to 157

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 44 years of record. Statistics published by the US Geological Survey for Dragon Swamp at Mascot, VA (site 01669520). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

3 mapped launches sit in the mapped area of Dragon Swamp, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

Made to print

Put Dragon Swamp on your wall

This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

Make the posterOrder by December 8 for Christmas delivery.
Free widget

Embed this gauge on your site

Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Dragon Swamp's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.

Embed code

See every free widget you can put on your site, including live conditions and a 7 day forecast.