Grande Ronde River โ€“ Boggan's Oasis Fishing Report

Washington Fishing Reports ยท Eastern Region

In the far southeast corner of Washington, the Grande Ronde runs through a deep canyon near Boggan's Oasis, a top fall steelhead river for swinging flies.

Looking for the latest Grande Ronde River, Washington 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 Grande Ronde River โ€“ Boggan's Oasis.

Current flows

Wind forecast

Grande Ronde River fishing report

Updated November 7, 2026.

FishingGoodWaterClearHatchesBWOs

The Troy gauge reads around 720 cfs and clear, a good fall flow.

Steelhead are in the river. Swing flies or nymph stoneflies and egg patterns through the runs.

Load your fly box

Before you head to Boggan's Oasis, bring: Woolly Bugger #4-6, Pat', s Rubber Legs #6-8, Egg #8-12, Elk Hair Caddis #10-12, Zebra Midge #18-22, RS2 Emerger #18-22, JuJu Baetis #18-22, Pheasant Tail Nymph #16-20, Black Beauty #20-24, Squirmy Wormie #12-14, Scud Bomb #14-16.

Flies working right now

The flies above that we have in stock right now.

Grande Ronde River details

AccessAccess along State Highway 129 near Boggan's Oasis and the river road downstream.
ElevationAbout 1,500 ft
Nearest townAnatone, Washington
Best seasonFall through spring
FishSteelhead, plus some trout and smallmouth
RegulationsSteelhead and salmon seasons change often by emergency rule. Check the Washington Department of Fish and Wildlife regulations and emergency rule changes before you go. A Washington fishing license is required for anglers 15 and older, plus a catch record card for steelhead and salmon.
Leaders and tippetSink tips and 2X to 3X tippet
CampingCamping along the river road
KidsPartly.
Good to knowIt is a long drive with few services.

Fishing by season

Winter

Winter steelhead.

Spring

Late steelhead.

Summer

Low and warm.

Fall

Fall steelhead.

How to get there

From Clarkston, take State Highway 129 south through Anatone to Boggan's Oasis.

More Eastern Washington reports