Upper Sacramento River (Dunsmuir) Fishing Report

California Fishing Reports ยท Shasta Region

Above Shasta Lake, the Upper Sacramento runs through a forested canyon past Dunsmuir and Castella, a freestone river full of wild rainbows and easy access along the railroad.

Looking for the latest Upper Sacramento 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 Upper Sacramento River (Dunsmuir).

Current flows

Wind forecast

Upper Sacramento River fishing report

Updated November 7, 2026.

FishingFairWaterClearHatchesBWOs, October caddis

The gauge at Delta reads around 220 cfs, low and clear.

October caddis are winding down, and BWOs come off on cloudy afternoons. High-stick nymph the pocket water with a stonefly and a small mayfly nymph.

Load your fly box

Before you head to Upper Sacramento, bring: Pat', s Rubber Legs #10-12, Pheasant Tail Nymph #16-18, Elk Hair Caddis #12-14, Parachute Adams #16-20, Perdigon #16-18, 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.

Upper Sacramento River details

AccessAccess points at Dunsmuir, Castella, Sweetbrier and other exits along I-5.
ElevationAbout 1,000 to 2,500 ft
Nearest townDunsmuir, California
Best seasonSpring through fall
FishWild rainbow trout
RegulationsSpecial trout rules apply on parts of the Upper Sacramento. Check the California Department of Fish and Wildlife regulations for the current rules. A California sport fishing license is required for anglers 16 and older.
Leaders and tippet9 ft leaders, 5X tippet
CampingCastle Crags State Park
KidsPartly. Some easy spots near town.
Good to knowThe railroad runs along the river. Stay off the tracks.

Fishing by season

Winter

High winter water.

Spring

Spring caddis and mayflies.

Summer

Evening caddis.

Fall

October caddis and BWOs.

How to get there

Take I-5 north from Redding to Dunsmuir and Castella.

More Shasta California reports