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Fly fishing report · Rockies
Logan River
A Logan River report for anglers planning Logan Canyon trout water with live flow checks, Utah special regulations, and practical roadside-access judgment.
Check flow & weatherDo not commit until the safety issue clears.
Red Flag Warning issued August 2 at 12:28PM MDT until August 2 at 10:00PM MDT by NWS Salt Lake City UT
Red Flag Warning issued August 2 at 12:28PM MDT until August 2 at 10:00PM MDT by NWS Salt Lake City UT
The active safety or closure reason takes priority over wading, bank fishing, and floating guidance.
Check before you drive
Current flow and weather.
Look at whether the river is rising or falling, then check wind, rain, and storms. These can change both safety and fishing.
Before you rely on this report
How current is this report?
Conditions can change quickly. Check these dates before you decide to fish, and open the official source when safety or rules matter.
- River conditions
- Checked Aug 2, 2026, 9:15 PM
- Fishing guidance
- Reviewed Jun 2, 2026
- Public access
- No reviewed map pin available
- Rules and closures
- Official rule links checked
High confidence in the current score inputs.
9 sources are listed below for you to open.
3 public access records are listed. Private spots are never shown.
Source checked Jul 30, 2026
Plan your access
Know where you can enter.
These are public parking, launch, trail, or recreation areas—not secret fishing spots. We never show an angler's private pins, notes, or photos here.
- 0
- Shown on map
- 3
- No map pin
Roadside access
Spring Hollow corridor
A practical lower-canyon public starting point where Highway 89 access keeps a half-day trout plan simple.
Restrictions and seasonal notes
Good roadside access does not erase Utah's private-bed rules. Enter at obvious public places and stay clear of posted private stretches.
Tributaries can run high and swift even when the main river looks manageable from the road, so treat every crossing as a fresh decision.
Area description
Bridger Campground
A named Forest Service access zone about six miles east of Logan with direct river proximity and easy orientation.
Restrictions and seasonal notes
Good roadside access does not erase Utah's private-bed rules. Enter at obvious public places and stay clear of posted private stretches.
Tributaries can run high and swift even when the main river looks manageable from the road, so treat every crossing as a fresh decision.
Area description
Preston Valley and Red Banks corridor
Useful upper-canyon staging water when you want cooler flow and are ready to track the special regulations closely.
Restrictions and seasonal notes
Good roadside access does not erase Utah's private-bed rules. Enter at obvious public places and stay clear of posted private stretches.
Tributaries can run high and swift even when the main river looks manageable from the road, so treat every crossing as a fresh decision.
How to fish it
Fish Logan River like a canyon trout stream with easy approach and stricter upper-river rules than the roadside access first suggests.
The Logan fishes best when RiverReports and USGS 10109000 show stable flow, runoff is no longer pushing every seam, and you keep the day centered on legal Highway 89 access. It is tempting to treat the whole canyon like open roadside water, but special regulations above Card Canyon Bridge and Utah's stream-access limits mean the cleanest trips stay tied to named public entries and conservative wading.
- The Utah Fishing Guidebook sets special Logan River regulations above Card Canyon Bridge, including a two-fish combined trout-and-whitefish limit and artificial-flies-and-lures rules through the Red Banks corridor.
- The Forest Service says good access is provided along Highway 89 and notes that tributaries can run high and swift, which is exactly why runoff timing matters more here than hero casting distance.
- Utah DWR calls Logan River a standout Bear River cutthroat water and notes brown trout and mountain whitefish are also part of the canyon mix.
- Utah's public-water access law still bars walking on a private streambed where private property is closed to trespass, so floating and legal entry points matter more than assuming every roadside seam is fair game.
The NWS forecast is near 92F. Without live water temperature, heat risk needs a conservative check.
An active alert is in effect: Red Flag Warning issued August 2 at 12:28PM MDT until August 2 at 10:00PM MDT by NWS Salt Lake City UT. Check public safety sources before going.
USGS shows 79 cfs with a stable over about 6 hours trend. Today's flow is unusually low for this date and below the usual low-water marker near 88 cfs. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.
Summer: Strong for dry-dropper fishing and roadside evening sessions if you get on the water before traffic and pressure peak.
Skip when tributaries are still high and swift, the river is carrying fresh color, thunderstorm runoff is building, or your access plan depends on wandering through posted private water.
Read the water
What changes the plan.
The best Logan days come after runoff settles enough to reveal clear pocket-water lanes, edges, and softer bankside shelves. If tributaries are still surging, if the water is carrying fresh color, or if your access plan depends on wandering through posted private stretches, shorten the day or move to a clearer nearby canyon stream.
Stable medium flow
The best all-around window for pocket-water nymphing, dry-dropper coverage, and selective dry-fly shots where fish show.
Low clear summer flow
Fish early, lengthen leaders, and approach soft seams from below because the easiest roadside water gets pressured quickly.
Runoff or swift tributary push
Stay on obvious edges and softer inside current, and do not assume every roadside crossing remains reasonable.
Cold shoulder-season flow
Shrink the water, fish slower buckets and tailouts, and keep expectations tied to a few productive drifts rather than covering miles.
Your trip plan
Know when to go—and when to skip it.
Best on stable medium summer and early-fall flows that expose clear pocket-water seams without turning every crossing into a runoff problem.
Skip when tributaries are still high and swift, the river is carrying fresh color, thunderstorm runoff is building, or your access plan depends on wandering through posted private water.
Base in Logan, choose one corridor such as Bridger or Preston Valley, fish it hard for a short morning or evening session, and move only if the water quality or pressure truly demands it.
Blacksmith Fork River is the cleanest nearby backup when you want a more tightly framed public canyon plan, while Weber River makes more sense if Logan is blown out or overpressured.
Hatches & flies
Bring a flexible box.
Fly family · report suggests “BWO nymph”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 ↗
Fly family · report suggests “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 ↗+ 2 more reviewed guides in the Fly Box
Fly pattern · report suggests “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 ↗
Fly family · report suggests “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 ↗+ 2 more reviewed guides in the Fly Box
Fly family · report suggests “BWO dry”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 ↗
Fly family · report suggests “soft hackle”Soft-Hackle Wet FliesA slim body and sparse webby feather collar define the family. Body material, tail, bead, and insect-specific color create different named patterns.See family guide ↗+ 2 more reviewed guides in the Fly Box
Fly pattern · report suggests “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 ↗
Fly pattern · report suggests “RS2-style emerger”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 ↗+ 1 more reviewed guide in the Fly Box Pick one campground or pull-off corridor and fish it thoroughly before moving because Logan rewards repetition more than random canyon hopping.
Work from the bank inward on clear days; the closest seam often holds fish before the mid-river pocket does.
If flows are still swift from tributary push, fish the first soft shelf and tail seam rather than forcing casts into the fastest middle current.
Above Card Canyon Bridge, keep the special regulations in mind before you assume bait, extra harvest, or whitefish retention rules match other Utah waters.
Rules & closures
Check the official rules before you go.
Open the agency page to confirm the exact river section, species, season, tackle rules, limits, and emergency closures.
Official links checkedWe checked the state source but did not find a clearly supported exception for this river. Check the official rules for the exact section you plan to fish.
This summary helps with trip planning. The linked agency rule is the one you must follow.
Updates from anglers
What anglers are seeing.
Recent observations from general areas of Logan River. We review every update before it appears and never publish exact fishing spots, private access details, or photo locations.
You can still use the river plan above. Check back later for recent observations from other anglers.
Where this report comes from
Open the sources we checked.
Fishing guidance checked: Jun 2, 2026
Site check: Jul 14, 2026. We regularly test report links, live scores, flow and weather data, and page loading. The content date changes only when the fishing guidance or its sources change.
Common questions
Before you leave.
What gauge should I check for Logan River?+
Start with RiverReports for the fast chart view and keep USGS 10109000 open as the official flow backstop when you decide whether runoff has settled enough to wade safely.
Does Logan River have special regulations?+
Yes. Logan River has special Utah guidebook rules above Card Canyon Bridge, so check the current Utah Fishing Guidebook before you assume the standard statewide trout rules apply.
Is Logan River mostly roadside access?+
It is roadside-friendly compared with many western trout streams, but the cleanest trips still start from named public entries and respect Utah's private-bed access limits.