Big Hole River

From its modest beginnings at Skinner Lake in the Beaverhead Mountains of southwest Montana, the Big Hole River flows 115 miles to its confluence with the Beaverhead River near Twin Bridges. Early explorers and settlers were drawn to the Big Hole by the sheer size, beauty, and richness of the high elevation valley or “hole” as the trappers called it. The Big Hole has been designated as a “Blue Ribbon” fishery and is one of the most heavily used fishing streams in Montana. The river remains free flowing for its entire course, adding to its uniqueness and charm. The Upper Big Hole contains the last stream-dwelling population of Arctic grayling in the lower 48 states, which has prompted many significant private partnerships and cooperative efforts to ensure the protection of this valuable population.

Source: Montana Fish, Wildlife and Parks
Stream Flows
  • Lamar River nr Tower Ranger Station YNP
  • Flow (cfs): 643
    Temperature (°F): 60.8
  • Yellowstone River near Livingston MT
  • Flow (cfs): 4650
    Temperature (°F): 65.12
  • Boulder River at Big Timber MT
  • Flow (cfs): 559
  • Gallatin River near Gallatin Gateway MT
  • Flow (cfs): 745
  • Stillwater River near Absarokee MT
  • Flow (cfs): 1430
    Temperature (°F): 59.36
  • Madison River at Kirby Ranch nr Cameron MT
  • Flow (cfs): 1200
    Temperature (°F): 63.68
  • Madison River bl Ennis Lake nr McAllister MT
  • Flow (cfs): 1500
    Temperature (°F): 75.2
  • Missouri River bl Holter Dam nr Wolf Cr MT
  • Flow (cfs): 3950
    Temperature (°F): 57.92
  • Big Hole River near Melrose MT
  • Flow (cfs): 509
    Temperature (°F): 64.4
  • Beaverhead River at Barretts MT
  • Flow (cfs): 864