Ashley Creek Fishing Guides
A south-slope Uinta creek dropping through Ashley Gorge above Vernal, with wild brown trout in the canyon and a lower reach heavily taken by irrigation.
Guides on the Ashley Creek
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About the Ashley Creek
Ashley Creek drains the south slope of the Uinta Mountains and drops through Ashley Gorge on its way down to Vernal and, eventually, the Green River. The gauge sits near Vernal, which places it at the point where the creek transitions from mountain stream to valley water, and that transition is the single most important thing to understand about fishing it. The creek above and below that line are effectively two different waters.
In the canyon, Ashley Creek is a proper wild trout stream. It runs cold and fast through a steep limestone gorge inside Ashley National Forest, with plunge pools, pocket water and undercut ledges. Brown trout dominate and are genuinely wild, rainbow and cutthroat are present, and brook trout appear in the smaller tributary water higher up. It is physical fishing that rewards short casts, careful wading and a willingness to climb.
Below the canyon the picture changes and it would be dishonest to pretend otherwise. Ashley Creek’s water is heavily diverted for irrigation around Vernal, and in the height of the season the lower channel can be reduced to a fraction of its natural flow. Water quality declines through the agricultural and urban reach, and the trout fishing with it. Anglers who drive to the valley section in August and find warm, low, green water have not found the creek at its worst by accident; that is its normal summer condition.
The gauge reports discharge and gage height, with no temperature series. Discharge is the useful number here because it tells you directly how much water the diversions have left, and a low reading in midsummer is a straightforward instruction to fish the canyon rather than the valley.
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Access
Ashley Gorge - the canyon reach above Vernal inside the national forest, and the best trout water on the creek.
Red Cloud Loop - the scenic forest road giving access to the upper creek and its tributaries.
Ashley National Forest - the public ground holding the headwaters, with campgrounds and walk-in water.
Dry Fork - the major tributary joining above Vernal, small wild trout water in its own right.
Vernal - the town on the creek, with tackle, fuel, lodging and guides.
Steinaker Reservoir - the stocked reservoir just north of town, a reliable alternative in low water.
Green River below Flaming Gorge - the marquee tailwater an hour north, the usual destination for a serious trout day.
Seasons
Spring: high and cold with runoff, often unfishable at peak melt but excellent in the canyon as it drops in late May.
Summer: the prime canyon season, with low clear water and good dry-fly fishing, while the valley reach runs warm and thin.
Fall: the best fishing of the year as brown trout colour up and move, with cool water and stable flows in the gorge.
Winter: cold and quiet, with ice in the canyon and fishing limited to mild days on the lower, open water.
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Questions
What is the current flow on the Ashley Creek?
As of Oct 18, 4:45 pm, the USGS gauge ASHLEY CREEK NEAR VERNAL, UT reads 168 cfs. Conditions update every 15 minutes.
What species can you catch on the Ashley Creek?
Anglers target Brook Trout, Brown Trout, Cutthroat Trout, Mountain Whitefish, Rainbow Trout, White Sucker on the Ashley Creek in Utah.
Where can you access the Ashley Creek?
Ashley Gorge - the canyon reach above Vernal inside the national forest, and the best trout water on the creek. Red Cloud Loop - the scenic forest road giving access to the upper creek and its tributaries. Ashley National Forest - the public ground holding the headwaters, with campgrounds and walk-in water. Dry Fork - the major tributary joining above Vernal, small wild trout water in its own right. Vernal - the town on the creek, with tackle, fuel, lodging and guides. Steinaker Reservoir - the stocked reservoir just north of town, a reliable alternative in low water. Green River below Flaming...
When is the best time to fish the Ashley Creek?
Spring: high and cold with runoff, often unfishable at peak melt but excellent in the canyon as it drops in late May. Summer: the prime canyon season, with low clear water and good dry-fly fishing, while the valley reach runs warm and thin. Fall: the best fishing of the year as brown trout colour up and move, with cool water and stable flows in the gorge. Winter: cold and quiet, with ice in the canyon and fishing limited to mild days on the lower, open water.
Where are the fishing regulations for the Ashley Creek?
Regulations change by season and section. Read the current rules on the Utah agency site: https://wildlife.utah.gov/guidebooks.html