Madison Drainage: Firehole River

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temperature icon 57°F
Hatch Chart Gardner River 1

Closed until May 25, 2024.

River Descriptions: Firehole River

  • Unique ecosystem with geysers, hot springs, and stunning scenery.
  • Riffles, long pools, and glides throughout the flow.
  • Can be crowded due to popularity.
  • Abundant rainbow and brown trout (mostly 10″, football-shaped).
  • Great dry fly opportunities year-round (except summer).
  • Diverse hatches: White Miller Caddis, typical caddis, Blue-winged Olives (BWOs).
  • Spring and fall: Ideal due to comfortable water temperatures.
  • Summer (Mid June-Labor Day): Far to warm to fish most years with the water temperature nearing 80 degrees.
  • Check current regulations and water conditions before heading out.
  • Biscuit Basin Area
  • Midway Geyser Basin
  • Fountain Flats Drive
  • Firehole Canyon Drive
  • Madison Junction Picnic Area
  • Suitable for anglers of all skill levels, except during peak crowds.
  • Prepare for potential crowds, especially during peak season.
  • Water clarity can vary due to geothermal activity.
  • Adjust fly selection based on current hatches.
  • Respect the fragile ecosystem and follow park regulations.

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