LOCATION.--Lat 44° 24'48, long 115° 08'58"(Rev.)(NAD83), in SW1/4 sec.35, T.13 N., R.11 E., Custer County, Cape Horn Lakes quad., Hydrologic Unit 17060205, at bridge on Cape Horn-Rapid River highway, 1 mi north of Cape Horn, 1.5 mi upstream from confluence with Marsh Creek, and 17 mi northwest of Stanley.

DRAINAGE AREA.--51.5 mi², revised.

PERIOD OF RECORD.--June to September 1922, April to August 1924 (discontinued).

GAGE.--Staff gage. Elevation of gage is 6,510 ft above mean sea level, by barometer. June 18 to Sept. 30, 1922, at datum 0.5 ft higher.

REMARKS.--No diversion or regulation above station.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 820 ft³/s prior to June 18, 1922, gage height, 2.7 ft, from high-water mark; minimum not determined.