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Home › Waters › Utah › Lake Fork River
Tailwater · Northeast Utah, Duchesne County, the south slope of the Uinta Mountains below Moon Lake near Mountain Home · Utah

Lake Fork River Fishing Guides

The tailwater below Moon Lake on the south slope of the Uintas, a cold high-country river running out of wilderness headwaters toward the Duchesne, with trout and very little company.

A clear river pool below pines and broken rock in the Rockies
Gauge location. Map data © OpenStreetMap contributors.

Guides on the Lake Fork River

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About the Lake Fork River

The Lake Fork River drains the south slope of the Uinta Mountains, gathers in the high lake basins of the High Uintas Wilderness, and emerges below Moon Lake near Mountain Home before running south to join the Duchesne River. The gauge below Moon Lake makes the situation explicit: this reach is a tailwater, its flows shaped by releases from the reservoir that serves irrigation in the Uinta Basin below.

The Uintas are unusual among western ranges in running east to west, and their south slope carries a series of rivers of this kind, each dropping steeply out of glaciated headwaters into reservoir storage and then out onto the basin. What that means for an angler on the Lake Fork is cold water, a short and intense summer, and a river whose flows follow irrigation demand rather than the natural hydrograph. Late summer releases can be substantial, and low winter flows are equally a function of management.

The fishing is high country trout fishing. Rainbow and brown trout hold in the pools and runs below the reservoir, brook trout are widespread in the smaller and colder water, cutthroat trout occur through the drainage including native populations upstream in the wilderness, and mountain whitefish are present in the lower reaches. None of these fish run especially large, but they are numerous and willing, and the setting is superb, with the high peaks of the Uintas standing directly above the water.

Access below Moon Lake is by Forest Service road and campground, and the reservoir itself has developed recreation. Above it, the drainage climbs into designated wilderness where fishing means walking.

Pressure is light by Utah standards, which is much of the point of coming here, and the drainage rewards anglers willing to trade fish size for solitude and scenery.

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Read the full license

Version 1.0, dated 6 September 2026. Applies to every photograph submitted to GuidedFloats through the contact form, a species page, or the community board.

1. What you give us

By ticking the box on the form you grant Guided Floats, LLC (“GuidedFloats”, “we”) a non-exclusive, worldwide, royalty-free license to store, copy, resize, crop and display your photograph on guidedfloats.com, in GuidedFloats’ own social media accounts and mobile apps, and in material that promotes the site itself, in connection with the fish, water or community feature you sent it in for. The license lasts until you withdraw it (section 4).

You keep the copyright. The license is not exclusive, so you can use the photo anywhere else and license it to anyone else. We will not sell your photo, license it on to anyone else on its own, or use it in paid advertising for a third party.

2. What you confirm

You confirm that you took the photograph yourself (or otherwise own the rights to it), that you have the right to grant this license, and that publishing the photo does not infringe anyone else’s copyright, privacy or other rights.

If any person is recognisable in the photo, you confirm that they have agreed to its being published here, and that a parent or guardian has agreed on behalf of anyone under 18. Please do not send photographs of other people’s catches, screenshots, or pictures copied from other websites or social media.

3. Credit

We print the credit name you give us beside the photo wherever it appears on the site, and record it as the photo’s creator in the page’s structured data. If you leave the credit blank we use the name you gave us on the form. Write “Anonymous” if you prefer no name at all. Your email address, phone number and the exact spot the photo was taken are never published.

4. Withdrawing the license

You can withdraw the license at any time by emailing hello@guidedfloats.com, or by using the contact form, and telling us which photo you mean. We will remove the photo from guidedfloats.com within 7 days of receiving your message and stop using it in anything new. Copies that are already outside our control — search-engine caches, social posts that have already gone out, printed material already produced — may take longer to disappear or may not be recallable, and we are not responsible for those.

5. What we may do

We choose which photos to publish and may decline any submission without giving a reason. We may crop, resize, sharpen or colour-correct a photo for display, and we may remove a photo at any time. We will not alter a photo in a way that misrepresents the fish, the water or you.

6. Your details

We keep your name, email address, the credit name, the water and date you gave us, and the network address the submission came from, with the submission record, as our evidence of this license. We hold that record for as long as the photo is published and for the retention period described in our privacy policy. Location data that your camera or phone embedded in the file is removed before the photo is published.

7. Versions

The version of this license you accepted is stored with your submission and printed with the photo. A later version does not apply to a photo you have already sent unless you agree to it.

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Posting to Lake Fork River.

JPG, PNG or WebP, up to 12 MB. We resize it and strip the location data out of the file.

The name shown under the photo. Leave blank to stay anonymous.

Reader photo license v1.0 — the short version:

  • You grant Guided Floats, LLC a non-exclusive, royalty-free license to publish, resize and crop your photo on guidedfloats.com and in GuidedFloats’ own social posts and apps. You keep the copyright and can use the photo anywhere else.
  • You confirm that you took the photo yourself, that publishing it does not infringe anyone else’s rights, and that anyone recognisable in it (or a parent or guardian, if they are under 18) is happy for it to appear here.
  • Credit is printed beside the photo wherever it appears on the site, using the credit name you give us. Leave it blank and we use your name; write “Anonymous” for no name. Your email address is never published.
  • Withdrawing is one email to hello@guidedfloats.com naming the photo. It comes off the site within 7 days.
Read the full license

Version 1.0, dated 6 September 2026. Applies to every photograph submitted to GuidedFloats through the contact form, a species page, or the community board.

1. What you give us

By ticking the box on the form you grant Guided Floats, LLC (“GuidedFloats”, “we”) a non-exclusive, worldwide, royalty-free license to store, copy, resize, crop and display your photograph on guidedfloats.com, in GuidedFloats’ own social media accounts and mobile apps, and in material that promotes the site itself, in connection with the fish, water or community feature you sent it in for. The license lasts until you withdraw it (section 4).

You keep the copyright. The license is not exclusive, so you can use the photo anywhere else and license it to anyone else. We will not sell your photo, license it on to anyone else on its own, or use it in paid advertising for a third party.

2. What you confirm

You confirm that you took the photograph yourself (or otherwise own the rights to it), that you have the right to grant this license, and that publishing the photo does not infringe anyone else’s copyright, privacy or other rights.

If any person is recognisable in the photo, you confirm that they have agreed to its being published here, and that a parent or guardian has agreed on behalf of anyone under 18. Please do not send photographs of other people’s catches, screenshots, or pictures copied from other websites or social media.

3. Credit

We print the credit name you give us beside the photo wherever it appears on the site, and record it as the photo’s creator in the page’s structured data. If you leave the credit blank we use the name you gave us on the form. Write “Anonymous” if you prefer no name at all. Your email address, phone number and the exact spot the photo was taken are never published.

4. Withdrawing the license

You can withdraw the license at any time by emailing hello@guidedfloats.com, or by using the contact form, and telling us which photo you mean. We will remove the photo from guidedfloats.com within 7 days of receiving your message and stop using it in anything new. Copies that are already outside our control — search-engine caches, social posts that have already gone out, printed material already produced — may take longer to disappear or may not be recallable, and we are not responsible for those.

5. What we may do

We choose which photos to publish and may decline any submission without giving a reason. We may crop, resize, sharpen or colour-correct a photo for display, and we may remove a photo at any time. We will not alter a photo in a way that misrepresents the fish, the water or you.

6. Your details

We keep your name, email address, the credit name, the water and date you gave us, and the network address the submission came from, with the submission record, as our evidence of this license. We hold that record for as long as the photo is published and for the retention period described in our privacy policy. Location data that your camera or phone embedded in the file is removed before the photo is published.

7. Versions

The version of this license you accepted is stored with your submission and printed with the photo. A later version does not apply to a photo you have already sent unless you agree to it.

Flow alert

Tell me when Lake Fork River cfs

Now: 7 cfs, read 5:45 pm CDT, Sun Oct 18, 2026 (USGS 09291000, LAKE FORK RIVER BL MOON LAKE NR MOUNTAIN HOME, UT).

We never use this address for anything else and never share it. See the privacy policy.

Access

Mountain Home - the small community below, with very limited services.
Roosevelt - the nearest town of size, with lodging, fuel and groceries.
Moon Lake - the reservoir at the top, with a campground, ramp and lodge.
Ashley National Forest - public land surrounding the entire drainage.
High Uintas Wilderness - the headwater lake basins above, reached on foot or horseback.
Duchesne River - the river the Lake Fork joins to the south.
Yellowstone and Rock Creek drainages - neighbouring south slope rivers with similar fishing.

Seasons

Spring: high cold water from snowmelt, with limited access until the roads open.
Summer: the main season, with good flows, active trout and access to the high country above.
Fall: cooling water and excellent fishing, though weather can close in early at this elevation.
Winter: deep snow and low releases make access difficult and fishing marginal.

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Questions

What is the current flow on the Lake Fork River?

As of Oct 18, 5:45 pm, the USGS gauge LAKE FORK RIVER BL MOON LAKE NR MOUNTAIN HOME, UT reads 7 cfs. Conditions update every 15 minutes.

What species can you catch on the Lake Fork River?

Anglers target Brook Trout, Brown Trout, Cutthroat Trout, Mountain Whitefish, Rainbow Trout on the Lake Fork River in Utah.

Where can you access the Lake Fork River?

Mountain Home - the small community below, with very limited services. Roosevelt - the nearest town of size, with lodging, fuel and groceries. Moon Lake - the reservoir at the top, with a campground, ramp and lodge. Ashley National Forest - public land surrounding the entire drainage. High Uintas Wilderness - the headwater lake basins above, reached on foot or horseback. Duchesne River - the river the Lake Fork joins to the south. Yellowstone and Rock Creek drainages - neighbouring south slope rivers with similar fishing.

When is the best time to fish the Lake Fork River?

Spring: high cold water from snowmelt, with limited access until the roads open. Summer: the main season, with good flows, active trout and access to the high country above. Fall: cooling water and excellent fishing, though weather can close in early at this elevation. Winter: deep snow and low releases make access difficult and fishing marginal.

Where are the fishing regulations for the Lake Fork River?

Regulations change by season and section. Read the current rules on the Utah agency site: https://wildlife.utah.gov/guidebooks.html