California Fishing Reports ยท North Coast Region
Below Lewiston Dam, the upper Trinity runs through a forested canyon toward Douglas City, with resident trout and runs of steelhead and salmon in the fall.
Looking for the latest Trinity 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 Trinity River โ Lewiston to Douglas City.
Current flows
Wind forecast
Trinity River fishing report
Updated November 7, 2026.
The Lewiston gauge reads around 310 cfs, clear and steady.
Fall steelhead are moving into the upper river. Nymph egg patterns and small mayflies in the runs, or swing a small fly through the tailouts.
Load your fly box
Before you head to Lewiston to Douglas City, bring: Egg #10-14, Pheasant Tail Nymph #14-16, Pat', s Rubber Legs #8-10, JuJu Baetis #18-20, Woolly Bugger #6-8, Zebra Midge #18-22, RS2 Emerger #18-22, 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.
Trinity River details
| Access | Access around Lewiston, the Trinity River Hatchery and pullouts along State Highway 299 toward Douglas City. |
|---|---|
| Elevation | About 1,800 ft |
| Nearest town | Lewiston, California |
| Best season | Fall through spring |
| Fish | Steelhead, salmon and resident trout |
| Regulations | Special rules apply for steelhead and salmon. 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 tippet | 9 ft leaders, 3X to 4X tippet |
| Camping | BLM campgrounds along the river |
| Kids | Partly. Easy access near Lewiston. |
| Good to know | Busy near the hatchery during peak runs. |
Fishing by season
Winter
Winter steelhead.
Spring
Late steelhead.
Summer
Low and warm.
Fall
Fall steelhead and salmon.
How to get there
From Redding, take State Highway 299 west to Douglas City and Lewiston.