Water Quality
Free Island Park Reservoir Map
Background This blog is a how-to for use of a new free bathymetric (depth) and recreation map of Island Park Reservoir. The map is intended
Jack McLaren
January 28, 2025
Water Supply
Snow to Streamflow: A Story of Decline [Part 2]
Snow to Streamflow: A Story of Decline [Part 2] In snowy regions like the Henry’s Fork, the amount of water held in the snowpack on
Christina Morrisett
January 22, 2025
Water Supply
Snow to Streamflow: A Story of Decline [Part 1]
Henry’s Lake mountains, photo credit Sarah Newcomb Due to warmer growing seasons and denser forests, Henry’s Fork natural streamflow is declining and becoming less predictable.
Christina Morrisett
January 22, 2025
Fishing
Fish of the Month: Year 10
The fish-of-the-month tradition started decades ago with my fishing buddy Tom Grimes, who has guided for Henry’s Fork Anglers all of those decades. I’ve had a couple of good multi-year runs over the decades, but this one beats them all…120 consecutive months!
Rob Van Kirk
January 8, 2025
Fishing
Island Park Reservoir Winter Flow Update
It’s never a happy feeling reporting on tough conditions. And it feels like—when it comes to snowpack and water supply for our Western fisheries—it’s been nothing but tough conditions lately. While we wish we could say we’re immune, the Henry’s Fork has not escaped these dry conditions.
Jasper Davis
December 11, 2024
General
Tax-Smart, Year-End Ways to Support our Mission
Here are five often overlooked ways you can support our important work in addition to traditional gifts by check or credit card.
Gordon Nelson
December 2, 2024
General
Recognizing Champions of Conservation: The Henry’s Fork Foundation’s Membership Societies
HFF honors its dedicated members through various recognition societies. These groups acknowledge those whose contributions support the Foundation’s science-based collaboration for healthy fisheries and watersheds across the Upper Snake.
Brady Taylor
November 29, 2024
General
A River That Connects Generations
Steven and Jesse Lowe In times of uncertainty, we often turn to the natural world for solace. For many of us, the Henry’s Fork provides
Jamie Powell
November 25, 2024
General
Healing and the Henry’s Fork
As scientists, we know that cold, clear water is crucial for trout. But what if it could do more than sustain life—it could heal?
Jamie Powell
November 19, 2024
General
Island Park Reservoir Oxygenation RFP
One of the objectives of the DIRTT project is to evaluate a project to oxygenate Island Park Reservoir. This could provide a series of benefits
Jack McLaren
November 19, 2024
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
Water Quality
Can We Improve Water Quality on Island Park Reservoir?
This is the 3rd blog in a series about research and conservation activity in the Upper Henry’s Fork, focusing on Island Park Reservoir….
Jack McLaren
September 26, 2024
Water Quality
What’s Island Park Reservoir Good for Anyways?
This is the 1st blog in a series about research and conservation activity in the Upper Henry’s Fork, focusing on Island Park Reservoir….
Jack McLaren
September 24, 2024
Water Quality
ISLAND PARK RESERVOIR 101: HOW IT WORKS
This is the 2nd blog in a series about research and conservation activity in the Upper Henry’s Fork, focusing on Island Park Reservoir. …
Jack McLaren
September 24, 2024
Aquatic Insects
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
Last Chance Wastewater Treatment Plant Getting Ready for Upgrades
Fremont County operates a wastewater treatment facility (WWTP) on Forest Service ground in Last Chance. With the continued growth of…
Jamie Powell
September 11, 2024
Water Quality
Watershed Council Tours Island Park Reservoir
Thank you to all of those who attended this year’s annual Henry’s Fork Watershed Council tour! Participants toured the Last Chance…
Jamie Powell
September 11, 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 Supply
FAQ: Is Outflow from Island Park Dam Higher Than it Used to Be?
Summertime outflow from Island Park Reservoir is lower (not higher) than it was in the “glory days”.
Jamie Powell
September 1, 2024
Research and Monitoring
FAQ: Is it Too Warm to Fish? Water Temperatures on the Henry’s Fork
Do water temperatures on the Henry’s Fork get too hot to fish and should there be hoot owl closures?
Jamie Powell
August 31, 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
Water Quality
HFF Submits Comments on Henry’s Lake Flats Development
A continuation of the discussion around a proposed “airpark” and new Marriott in Henry’s Lake Flats.
Jamie Powell
August 24, 2024
FAQ: River Access and Recreation Regulations
Information about invasive species stickers, watercraft registration, outfitter licenses, and river recreation regulation.
Christina Morrisett
August 19, 2024