Swan River

Type
Freestone river, Montana (West)
Designation
Among the state's most-fished waters (agency angler survey) · Special-regulation trout water
USGS gauges
1 live
Guides
1 name it
Shops
2 nearby

Today on the Swan River

Reading the gauge…

Regulations & access Guides & shops

The Swan River is a freestone river in Montana, listed as Among the state's most-fished waters (agency angler survey) by Montana Fish, Wildlife & Parks.

More about the Swan River

1 USGS gauge on the water reports flow. 6 guides and 2 shops nearby are listed here.

Updated · Sources: Montana's most-fished waters (FWP statewide angling pressure estimates, 2023 license year, top 250 by state rank), USGS Water Data

Representative photograph of similar water; not a photograph of this place.
Representative photograph, not this water.
Where it is

Swan River is a freestone river in Montana.

Flow now at the gauge
Reading the gauges…

Follow Swan River for flow alerts

Pick one of its USGS gauges and hear from us when the flow moves into or out of its usual range for the date, or crosses a flow you set. We check the public USGS reading every 2 hours and email only when it crosses, at most once every 6 hours. Flow alone is not a fishing forecast or a safety call.

Follow this water

Signed in: one step. Otherwise we email a confirmation link first. Every alert has one-click links to stop it.

Where to fish

About this

Start from the agency's public access map. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.

Nothing on this page grants or implies access.

Swan River on the map

About this

Gauges, shops and guides within 40 miles

Map of Swan River: gauges, shops and guides

RestroomsAccess map

Map of Swan River with 1 USGS gauge, and shops and guides with an exact address within 40 miles.

Restrooms near Swan River

Restrooms near Swan River

Restrooms within 2 miles of Swan River in a straight line, nearest first, with what anglers found when they went. The map says a restroom is there, not whether it is clean or open today.

No restroom mapped within 2 mi yet — add one you know.

Campgrounds, fishing access sites and boat ramps often have one that isn't on the map yet.

Restroom locations and map details: © OpenStreetMap contributors, Open Database License, read Oct 24, 2026. Ratings, answers and photos are members' own; who shared them is never shown, and every photo is reviewed before it appears. Visits older than 18 months no longer count. Distances are straight-line miles, not driving. Nothing here grants access to private land. Community guidelines.

More water near Swan River

  • Ennis Lake partly iced over in early spring, with the snow-covered Madison Range across the waterAmong the state's most-fished waters (agency angler survey)Representative photo · not Echo Lake
    Photo credit

    Ennis Lake, Montana, in March, with the Madison Range beyond. Photo: Gloria Cabada-Leman, CC BY 2.0, via Flickr Not Echo Lake.

    Echo Lake

    Montana · about 8 mi

  • Marshy shallows at the edge of Henrys Lake, with the Henrys Lake Mountains behindAmong the state's most-fished waters (agency angler survey)Representative photo · not Swan Lake
    Photo credit

    Henrys Lake from Henrys Lake State Park, Idaho. Photo: James Postema, CC BY 4.0, via Wikimedia Commons Not Swan Lake.

    Swan Lake

    Montana · about 8 mi

  • Lake Billy Chinook filling a basalt canyon, with layered rimrock cliffs along the waterAmong the state's most-fished waters (agency angler survey)Representative photo · not Flathead Lake
    Photo credit

    Lake Billy Chinook, Oregon. Photo: icetsarina, CC0, via Wikimedia Commons Not Flathead Lake.

    Flathead Lake

    Montana · about 12 mi

  • Aerial view of Eagle Lake beyond the dry bed of Horse LakeAmong the state's most-fished waters (agency angler survey)Representative photo · not Church Slough
    Photo credit

    Eagle Lake, Lassen County, California, with dry Horse Lake in the foreground (aerial). Photo: Ken Lund from Reno, Nevada, USA, CC BY-SA 2.0, via Wikimedia Commons Not Church Slough.

    Church Slough

    Montana · about 13 mi

  • Crowley Lake below a mountain ridge of the Long Valley Caldera, under evening cloudsAmong the state's most-fished waters (agency angler survey)Representative photo · not Hungry Horse Reservoir
    Photo credit

    Crowley Lake and the Long Valley Caldera from US 395. Photo: Clinton Steeds, CC BY 2.0, via Wikimedia Commons Not Hungry Horse Reservoir.

    Hungry Horse Reservoir

    Montana · about 14 mi

  • Navajo Lake's blue water and mesa shoreline seen through juniper from Navajo Lake State ParkAmong the state's most-fished waters (agency angler survey)Representative photo · not Lake Blaine
    Photo credit

    Navajo Lake from Navajo Lake State Park, New Mexico. Photo: Larry D. Moore, CC BY 4.0, via Wikimedia Commons Not Lake Blaine.

    Lake Blaine

    Montana · about 17 mi

Regulations

About this

Seasons, limits, special regulations and closures for each reach are on the agency pages below. Read them before you go.

2 official designations

Each comes from the agency's own published list; where the list names a reach it is quoted. A designation applies to the listed reach, not necessarily the whole water. Listed in the finder under trout.

The water on the map

About this

Measured from the NHDPlus High Resolution (flowlines and waterbodies) (U.S. Geological Survey, read 2026-11-04) for this water’s own mapped feature. Rounded figures; they describe the channel, not today’s conditions.

Length
93.6 mi (90 in MT)
Drains
703 sq mi
Drop
4,730 ft · 50.5 ft/mi
Watershed
Swan

Public land along it

About this

Areas the Protected Areas Database of the United States (PAD-US), public access (U.S. Geological Survey, Gap Analysis Project, read 2026-11-05) lists as owned or held in easement and open to the public, crossed by the mapped channel. Boundaries are mapped, not surveyed. Nothing on this page grants or implies access: check the agency map, posted signs and landowner permission before you fish.

27.4 of 90 mi on public land

  • Flathead National ForestForest Service · 16.5 mi
  • Swan River State ForestState Department of Natural Resources · 9.3 mi
  • Salmon PrairieNon-Governmental Organization · 0.6 mi · restricted
  • Lake County Waterfowl Production Area Of MtU.S. Fish and Wildlife Service · 0.5 mi · restricted
  • Swan River National Wildlife RefugeU.S. Fish and Wildlife Service · 0.5 mi · restricted

Nothing on this page grants or implies access.

Guides and shops near Swan River

About this

Listings marked Unclaimed are built from open map records and the business's own website: confirm licensing, rates, dates and hours directly.

1 guide name it on their website

Guides

  • Wild Trout Adventures

    Bigfork, MT · 1 mi

    Float trips · Drift boat · Flathead & Swan

    • Unclaimed

    Names this water

  • School of Trout

    Bigfork, MT · 5 mi

    Drift boat · Beginners & lessons · Henry's Fork

    • Unclaimed

    Nearby

  • Flathead Fly Fishing Guides

    Columbia Falls, MT · 27 mi

    Float trips · Drift boat · Missouri & Flathead

    • Unclaimed

    Nearby

  • Montana Fishing Guides

    Columbia Falls, MT · 28 mi

    Float trips · Drift boat · Blackfoot & Clark Fork

    • Unclaimed

    Nearby

  • Lakestream Outfitters

    Whitefish, MT · 31 mi

    Blackfoot & Clark Fork

    • Unclaimed

    Nearby

  • Glacier Anglers and Outfitters

    West Glacier, MT · 32 mi

    Float trips · Raft trips · Flathead River

    • Unclaimed

    Nearby

2 shops nearby

How these are chosen

Guides whose own website names this water come first, nearest first. After them, fly-focused guides within 40 miles whose website does not name it. Distances are straight-line.

Shops: fly shops first. A distance is shown when the shop’s website gives its location (within 60 miles); otherwise the shop is in one of the towns within 25 miles of the water.

Guide and shop listings come from the Legendary directories.

Species and hatches

About this

What 6 nearby guide websites mention: what guides advertise, not a survey or a promise of what you will catch.

Named on 6 nearby guide websites

  • Mountain whitefish5
  • Cutthroat trout4
  • Northern pike3
  • Arctic grayling2
  • Smallmouth bass2
  • Brown trout1
  • Bull trout1
  • Crappie1

When the bugs come off

Regional hatch months: Northern Rockies
About this chart

5 hatches charted for the region, not measured on this water. From Montana Fish, Wildlife & Parks.

  1. January: no charted hatch
  2. February: no charted hatch
  3. March: no charted hatch
  4. April: no charted hatch
  5. May: 3 charted hatches
  6. June: 2 charted hatches
  7. July: 2 charted hatches
  8. August: 1 charted hatch
  9. September: 1 charted hatch
  10. October: no charted hatch
  11. November: no charted hatch
  12. December: no charted hatch

Mother's Day caddis (Grannom) (May) · Salmonfly (May to June) · Salmonfly (May to July) · Salmonfly (July) · Trico (August to September)

How we put this together

Named by guides nearby (within 40 miles), counted from the species each guide lists on its own site. No agency page we hold lists species for this water.

Plan a trip here

About this

None of our destination hubs is within 40 miles in a straight line. The trip planner builds a trip around the water itself: the guides and shops listed within 40 miles of it, its gauges and its nearest towns and airports.

No hub within 40 miles

Gear checklist

About this

A wade-fishing checklist for big western trout rivers: a 9 ft 5–6 weight outfit, nymph, dry and streamer setups, waders, boots and a wading staff, with estimated prices by tier and where to buy.

A woman in waders and a sun hat wades a broad river and casts, bluffs on the far bank

Big western rivers (wade fishing)

9′ rod, 5–6 weight, floating line · Rainbow and brown trout, whitefish

Open the checklist
Videos for this water (5)

Watch: reading a trout stream

About this

Seams, shelves and soft water, shown on real rivers.

Public YouTube videos from established channels, chosen by us to support this page. Not sponsored; the creators are not affiliated with Legendary Fly Gear.

  • How I Learned to Read Water (Fly Fishing)Embedded from YouTube · Mad River Outfitters · not affiliated with Legendary Fly Gear. Watch on YouTube
  • How To Read The Water with Tom RosenbauerEmbedded from YouTube · The New Fly Fisher · not affiliated with Legendary Fly Gear. Watch on YouTube
  • Reading the Water to Successfully Locate TroutEmbedded from YouTube · Orvis Guide to Fly Fishing · not affiliated with Legendary Fly Gear. Watch on YouTube

Not sponsored All videos on reading water

Watch: nymphing basics

About this

Indicator rigs, depth and detecting the take.

Public YouTube videos from established channels, chosen by us to support this page. Not sponsored; the creators are not affiliated with Legendary Fly Gear.

  • 90° Nymph RigEmbedded from YouTube · Huge Fly Fisherman · not affiliated with Legendary Fly Gear. Watch on YouTube
  • Casting with an Indicator & Better Nymphing TechniquesEmbedded from YouTube · The New Fly Fisher · not affiliated with Legendary Fly Gear. Watch on YouTube

Not sponsored All videos on nymphing

Fish Tales

About this

Trip stories anglers chose to share publicly and tagged with Swan River.

No stories from here yet.

Sources for this page

Not a statement of access, fish presence or conditions.

Something wrong?

All 13 sources and dates

A water page organises discovery. It does not assert public access, legal access, current fish presence, guide availability or fishing conditions.

Flows, gauge statistics and flood stages come from USGS and the National Weather Service when the page is shown. Regulations, stocking, species and season statements link to the agency that publishes them; this page copies only the species names and the quoted sentences. Guide and shop listings come from the Legendary directories. Position: the USGS gauge Swan River near Bigfork, MT. Water type is our own classification.