flows S to North Fork Koyukuk River, 7 mi. NE of mouth of Middle Fork Koyukuk River and 28.5 mi. SW of Wiseman, Brooks Range. 15 miles long.
Named for his daughter, Florence, by August L. Tobin, who prospected in the Wiseman region from 1897 to 1918; name reported in 1899 by T. G. Gerdine, U.S. Geological Survey (USGS).
Ipnek Mountain, Pope Creek Dome,
Mountain Ranges:Rapids:Rivers:Glacier River, Middle Fork Koyukuk River, North Fork Koyukuk River,
Streams:Alder Creek, Eldorado Creek, Florence Creek, Horse Creek, Hudson Bay Creek, Rock Creek, Rock Creek, Squaw Creek, Winnie Creek,