Current Weather: 9.0 | Fair

Hatch Charts

Stoneflies

Salmon Fly (Pteronarcys Californica) Hook Size 4, 6, 8
  • Gunnison River (Black Canyon) - - - - - - - - - - June 20 to July 1


Golden Stonefly (Acroneuria Pacifica) Hook Size 6, 8, 10
  • Gunnison River (Gunnison - Almont) - - - - - - - - - - mid-April to June 30
  • Taylor River - - - - - - - - - - May 15 to June 30
  • East River - - - - - - - - - - May 20 to June 30

Mayflies

Green Drakes (Ephemerella Drunella) Hook sizes 10, 12, 14
  • Gunnison River (Blue Mesa - Almont) - - - - - - - - - - June 20 to August 10
  • Taylor River (Almont to Taylor Reservoir) - - - - - - - - - - July 4 to August 20
  • East River - - - - - - - - - - - July 1 to August 10
  • Backcountry Streams (Slate, Upper East) - - - - - - - - - - July 20 to August 20

Pale Morning Duns (Ephemerella inermis) Hook sizes 14, 16, 18, 20
  • Gunnison River (Blue Mesa - Almont) - - - - - - - - - - June 25 to August 20
  • Taylor River - - - - - - - - - - - - -July 10 to August 20
  • East River - - - - - - - - - - - - - July 4 to August 20
  • Backcountry Streams - - - - - July 20 to August 20

Blue Winged Olives (Ephemerella cornuta) Hook sizes 14, 16, 18, 20
  • Gunnison River (Black Canyon) - - - - -April 15 to May 15
  • Gunnison River (Blue Mesa - Almont) - - - - April 20 to runoff
  • Taylor River - - - - - - - - -April 10 to 30, August 10 to October 10
  • East River - - - - - - - - - - July 15 to September 15

Gray/Slate Drake (Siphlonurus occidentalis) Hook sizes 12, 14, 16
  • Gunnison River - - - - - - - - September 10 to October 10
  • Taylor River - - - - - - - - - - - - September 15 to October 20
  • East River - - - - - - - - - - - September 15 to October 20
  • Backcountry Streams - - - - - - - - - - September 20 to October 25

Caddisflies

Caddis (Tricoptera) Hook sizes 10, 12, 14, 16, 18, 20
  • Gunnison River (Black Canyon) - - - - - - - - - -June 15 to August 30
  • Gunnison River (Blue Mesa - Almont) - - - - - - - June 1 to September 1
  • Taylor River - - - - - - - - - - - - - - - - - - - - - - -June 10 to September 1
  • East River - - - - - - - - - - - - - - - - - - - - - July 1 to September 1
  • Backcountry Streams - - - - - - - - - - - - - - - - - July 4to September 10

Terrestrials

  • All Rivers - - - - - - - - - - - - - - - - July 15 to September 30