Big Spring Creek (Lewistown)

Fed by one of the largest spring complexes in the country (per USGS, on the order of 50,000+ gallons per minute), Big Spring Creek originates about nine miles southeast of Lewistown in Fergus County, flows through town, and runs roughly 30 miles to its confluence with the Judith River. Strong public access through town and at Montana FWP sites.

Strong public access through town and at Montana FWP sites (Brewery Flats, Carroll Trail, Spring Creek FAS); confirm current reaches and regulations.

Stream Access Law applies, but respect private banks above the ordinary high-water mark.

Carry midges, Baetis, PMDs, caddis, scuds, sowbugs, and small streamers.