Water Quality
Fish of the Month: Year 11
As it is the afternoon of December 31, I am closing the year with my annual fish-of-the-month blog, this one at the end of my
Rob Van Kirk
December 31, 2025
Aquatic Insects
Aquatic Insects
What’s Hatching on the Henry’s Fork?
In this blogpost, learn about what we know, what we don’t know, and how you can help by reporting the hatches you see (or don’t
Christina Morrisett
April 28, 2025
Water Quality
PMDs on the Henry’s Fork
PMDs were one of the hot topics on the Henry’s Fork in 2024, so here’s a few excerpts from the 10 Year Insect Report just
Jamie Powell
February 19, 2025
Research and Monitoring
Water Year 2024 Technical Report
As most of you know, I started fishing the Harriman Ranch reach of the Henry’s Fork in 1977. I worked for Henry’s Fork Anglers from
Rob Van Kirk
February 10, 2025
Water Quality
Ten Years of Aquatic Insect Data from the Henry’s Fork: What have we learned?
To address angler concerns about decreased Henry’s Fork hatches, particularly at Last Chance and the upper Ranch, and holistically assess ecological function throughout the mainstem
Rob Van Kirk
January 31, 2025
Fisheries
$1 MILLION for Henry’s Fork DIRTT Plan
Can we improve hatches and the Ranch fishery? Meet the new DIRTT Plan.
Jamie Powell
October 2, 2024
Fishing
Why aren’t I seeing any big fish in the Ranch? Is it because of the bugs?
Why aren’t anglers seeing big fish in the Ranch? Are hatches changing?
Jamie Powell
September 12, 2024
Water Quality
(2ND LOOK) 2023 Henry’s Fork Foundation Report
As summer transitions to fall, we’re reflecting back on where we were as of the start of the year. Originally published January 23, 2024….
Jamie Powell
September 3, 2024
Water Quality
State of the Henry’s Fork 2023: Water Year Technical Report
UPDATE: With only one month left in the 2024 water year, let’s take a look back at Water Year 2023, and get a preview of the types of…
Rob Van Kirk
August 30, 2024
Fisheries
HFF’s Membership Meeting Videos Live (VIDEO)
This year, the Henry’s Fork Foundation’s (HFF) annual membership meeting was hosted on June 5th in Island Park. Dr. Rob Van Kirk gave an…
Jamie Powell
August 26, 2024
Fishing
How Does HFF Calculate Hatch Timing?
Rather than a typical “hatch chart”, HFF’s hatch timing calculations are based on accumulation of thermal units in the aquatic ecosystem….
Jamie Powell
June 20, 2024
Water Supply
Rain Vs. Snow [Part 4]
Fish are affected by life-history specific streamflow and habitat characteristics that are not simple, direct functions of water supply.
Rob Van Kirk
March 7, 2024
Fishing
The Shrine of the Green Drake
What do you say when your best friend calls and asks you to be part of a plan he hatched for his daughter’s sixteenth birthday? His gift to her, in abstract, was a fishing experience that would be forever connected to this milestone day. I was asked to be part of the expedition because my friend is a novice angler with no knowledge or experience fishing the Henry’s Fork River.
Henry's Fork Foundation
December 28, 2022
Aquatic Insects
What Do Macroinvertebrates (Aquatic Insects) Tell Us About the Henry’s Fork?
Highlights Aquatic macroinvertebrates—insects and other creatures that live in the stream bottom—feed trout and are the basis of…
Rob Van Kirk
April 8, 2021