Oregon Fishing Reports ยท Klamath Region
The Williamson runs out of the Klamath Marsh toward Upper Klamath Lake near Chiloquin, famous for huge lake-run redband rainbows in summer.
Looking for the latest Williamson River report? This page is updated by the AvidMax fly shop team with live flows, current conditions, hatches and the flies working now on the Williamson River โ Chiloquin.
Current flows
Heads up: Parts of the Williamson have seasonal closures. Check ODFW for current season dates before you go.
Wind forecast
Williamson River fishing report
Updated November 7, 2026.
The gauge below the Sprague reads around 530 cfs.
Most of the big-fish season here is in summer when redbands run up from the lake.
Load your fly box
Before you head to Chiloquin, bring: Woolly Bugger #4-6, Pheasant Tail Nymph #14-16, Parachute Adams #14-18, Zebra Midge #18-22, RS2 Emerger #18-22, JuJu Baetis #18-22, Black Beauty #20-24, Egg #14-16, Squirmy Wormie #12-14.
Flies working right now
The flies above that we have in stock right now.
Williamson River details
| Access | Collier State Park and limited public access near Chiloquin. Much of the river is private. |
|---|---|
| Elevation | About 4,200 ft |
| Nearest town | Chiloquin, Oregon |
| Best season | Summer |
| Fish | Large redband rainbow trout |
| Regulations | Seasonal closures and special rules apply. Check the Oregon Department of Fish and Wildlife regulations and in-season changes before you go. An Oregon angling license is required for anglers 12 and older, plus a combined tag for steelhead and salmon. |
| Leaders and tippet | 9 to 12 ft leaders, 4X to 5X tippet |
| Camping | Collier State Park |
| Kids | Partly. |
| Good to know | Access is limited. A guide helps here. |
Fishing by season
Winter
Check the season.
Spring
Check the season.
Summer
Hex hatch and big redbands.
Fall
Check the season.
How to get there
From Klamath Falls, take US-97 north to Chiloquin and Collier State Park.