USGS Water-Year Summary 2021
402114105350101 BIG THOMPSON RIVER BELOW MORAINE PARK NEAR ESTES PARK, CO
LOCATION - Lat 40°21'14", long 105°35'01" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.33, T.5 N., R.73 W., Larimer County, CO, Hydrologic Unit 10190006, on left upstream wingwall of bridge at lower Moraine Park parking lot, in Rocky Mountain National Park, and 4.0 mi southwest of Estes Park.
DRAINAGE AREA - 39.8 mi².
PERIOD OF RECORD - October 1995 to September 1997, April 2001 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 8,005 ft above NGVD of 1929, from topographic map.