Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

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Fly fishing report · West
Blacksmith Fork River
A Blacksmith Fork River report for anglers planning the Blacksmith Fork Canyon and Hardware WMA reach with live flow checks, special-rule reminders, and realistic northern Utah trout guidance.
Check flow & weatherBest option: Wade.
Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
Mode scores adjust the river-wide score for the risks of wading, bank fishing, or floating.
This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.
This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.
Confirm before you leave
Flow and weather right now.
Use the flow trend to confirm the score before you leave. Weather can change the safest and most productive fishing window.
River strategy
Fish Blacksmith Fork like a special-regulation canyon trout river where legal access and stable cold flow matter more than forcing extra miles.
Blacksmith Fork is most useful to anglers when RiverReports and USGS 10113500 show a stable, readable canyon flow and you are prepared to keep the day inside clearly public water and right-of-way entries. This is not a river for loose private-land assumptions. It is a Blue Ribbon-style trout plan that rewards short, careful wading, close attention to Utah's special rules, and a willingness to walk away when runoff, color, or crowding make the canyon feel small.
- Utah's 2026 Fishing Guidebook lists the Blacksmith Fork River from the first SR-101 highway bridge at the canyon mouth to the headwaters as closed from April 15 until 6 a.m. on the second Saturday of July.
- That same Utah guidebook says the canyon section is catch-and-release only with artificial flies and lures during the early and late open windows, allows only one trout over 15 inches, and carries a bonus limit of four brown trout within an eight-trout total.
- Utah DWR's Hardware Wildlife Management Area says licensed anglers can fish nearly 15 miles of streams and rivers on the WMA and can expect several trout species in the corridor.
- Utah DWR's stream-access guidance says anglers may float over private property, fish on public property where the managing agency allows it, and fish private property only when it is not closed to trespass or when the landowner grants permission.
USGS shows 54 cfs with a stable over about 6 hours trend. same-date USGS history (1915-2025, 107 readings) puts normal around 113 cfs and the low-water marker near 55 cfs; today's flow is unusually low for the date. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.
The NWS forecast is near 89F. Fish early and verify water temperature where trout stress is possible.
Wade: Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
Summer opener through early fall: The main Blacksmith Fork window after the seasonal closure lifts and the river settles into cold pocket-water trout fishing.
No active NWS alert was returned for this forecast point.
Read the water
What changes the plan.
The strongest Blacksmith Fork days come after runoff has settled into a clear cold summer or fall shape, when the canyon has enough push to define seams without turning every crossing or bank slot pushy. If the river is rising, carrying color, or running so low that fish stack into obvious small pockets, shorten the day or move to a larger Utah option.
Clear stable midsummer flow
Best for short wading sessions, dry-dropper rigs, and methodical pocket-water coverage through the canyon bends.
Post-runoff drop
Often the best seasonal window once the river falls into shape and the wading picture becomes readable again.
Very low late-season flow
Fish smaller water carefully, lengthen leaders, and leave if the river looks warm, crowded, or too compressed to support a good trout day.
Runoff, color, or fast rise
A skip signal because the canyon gets smaller fast when current pushes against cut banks and slick rock edges.
Field plan
Fish it with intention.
Best once runoff drops into a clear, stable coldwater shape where pocket seams hold fish and crossings still feel controlled.
Skip it during the seasonal closure, on any muddy runoff pulse, when late-season heat leaves the river thin, or when legal access feels uncertain.
Base out of Hyrum or Logan, check 10113500 first, choose one section around the Hardware WMA or a clearly legal canyon entry, and fish it thoroughly instead of leapfrogging all day.
Shift to the Weber River if you want a broader completed Utah option, or keep Logan River in mind once that page is built out for the site.
Hatches & flies
Bring a flexible box.
Reviewed pattern · report says “Elk hair caddis”Elk Hair CaddisLook for a tented elk- or deer-hair wing, clipped hair head, dubbed body, rib, and hackle palmered along the body. The body color should be labeled because tiers often match different natural caddis colors.See photos & how to fish it ↗
Reviewed pattern · report says “stimulator”StimulatorLook for a hair tail, dubbed abdomen with palmered hackle, tented hair wing, contrasting front hackle, and bright thorax or head. Colors and sizes vary widely and must remain labeled.See photos & how to fish it ↗+ 2 more reviewed guides in the Fly Box
Reviewed family · report says “PMD dry”Pale Morning Dun PatternsPMD names an insect group, not one fly. Pale nymphs, trailing-shuck emergers, upright or low-riding duns, cripples, and spent-wing spinners stay visibly separate.See family guide ↗
Reviewed family · report says “tan caddis pupa”Caddis Pupa PatternsCaddis pupa is a life-stage family. Curved bodies, wing pads, legs, beads, and soft-hackle collars differ among exact patterns and must be labeled.See family guide ↗+ 3 more reviewed guides in the Fly Box
Reviewed family · report says “BWO emerger”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide ↗
Reviewed pattern · report says “RS2”RS2Start with the beadless architecture: two dark-dun Microfibett tails separated behind a slim, tightly twisted and visibly segmented dubbed abdomen; a fuller thorax; and saddle-hackle web clipped into a short angled wing bud. Rim Chung's original-style form uses natural beaver dubbing and hackle web. CDC- or Antron-wing ties, beads, curved hooks, flash, and tailless Avatar-style flies must remain labeled variations.See photos & how to fish it ↗+ 2 more reviewed guides in the Fly Box
Reviewed pattern · report says “Zebra midge”Zebra MidgeLook for a very slim tapered thread body, evenly spaced contrasting wire rib, a small bead, and no tail or wing. The reviewed classic is black with silver wire and a silver bead. Red, olive, brown, glass-bead, jig-hook, resin-coated, or tailed forms must remain labeled variations rather than replacing the classic identity.See photos & how to fish it ↗
Reviewed family · report says “thread midge”Midge Patterns by StageMidge wording can mean a threadlike larva, wing-padded pupa, film emerger, tiny adult, or visible cluster. Those profiles fish at different depths.See family guide ↗+ 2 more reviewed guides in the Fly Box Start with the canyon rules and flow check before choosing a pull-off, because Blacksmith Fork is a better one-section river than an aimless road-hopping river.
Fish upstream carefully through one or two productive pockets at a time rather than charging past short seams that reload under stable flow.
Use dry-droppers and light nymphs first when the river is clear, then switch to a small streamer only when deeper slots or cover justify it.
If public access looks ambiguous or a promising bank would require walking private ground, move to the next clearly legal entry instead of rationalizing it.
Access & responsibility
Know the entry. Know the exit.
Utah's 2026 guidebook applies special rules from the first SR-101 bridge at the canyon mouth upstream to the headwaters: closed April 15 through 6 a.m. on the second Saturday of July; catch-and-release only with artificial flies and lures during the early and late open windows; only one trout may exceed 15 inches; and an additional four brown trout may be kept within an eight-trout total.
First SR-101 bridge at the canyon mouth
The legal upstream boundary named in Utah's special regulations and a practical orientation point for this page.
Hardware Wildlife Management Area corridor
The strongest public recreation anchor in the drainage, with multiple trout-water miles and clear Utah DWR ownership context.
Blacksmith Fork Canyon roadside pull-offs
Useful only when they connect to clearly legal water access and do not require stepping onto closed private ground.
Left Hand Fork and upper canyon side roads
Supplemental scouting options when seasonal road status and public-land boundaries are confirmed first.
Transparent sources
Check the facts behind the plan.
Last material review: 2026-06-02
Common questions
Before you leave.
When can I fish the Blacksmith Fork canyon section?+
Utah closes the special-regulation canyon water from April 15 until 6 a.m. on the second Saturday of July, so always confirm the current guidebook before the trip.
Which gauge should I trust for this page?+
Use RiverReports for the quick read, but keep USGS 10113500 open as the official backstop for Blacksmith Fork above the diversion dam near Hyrum.
Is Blacksmith Fork a float river?+
No. This page is built as a wade-only canyon trout plan with short public or clearly legal entries.
What is the biggest access mistake here?+
Assuming that roadside proximity means you can step onto any bank or streambed. Utah's stream-access rules still control where you can legally walk and fish.