HPD - Cutthroat Slam Rules and information

Catch and photo 3 species of Cutthroat in Colorado

How To Participate in the Challenge

  • All fish must be caught with fly fishing gear.
  • Catch all three species of Cutthroat trout in Colorado
  •  All submissions need to be caught in their appropriate native drainage.
  • There is no time limit, take what time you need and enjoy exploring new areas of our state.
  • All submissions need to include photos and a brief description of where the fish was caught.
  • Some of these fish have native drainages in multiple states, please keep your submissions to only Colorado caught fish.
  • Challenge starts January 1, 2022.




If at any point you have questions or need some more information, there are more details on the webpage Flyfisherscolorado.com or you can send an email to

trips@flyfisherscolorado.com. Thank you for participating and enjoy the journey, it is not always the destination that matters.