Michigan Fishing Guide

North Branch Au Sable River

Otsego County, Michigan

Class I

North Branch Au Sable River is a Class I (self-sustaining wild trout) trout stream in Otsego County, Michigan. Approximately 17.3 miles of classified trout water. Species include brook trout, brown trout, lake trout, rainbow trout, splake.

Stream Classification

Class I — Self-sustaining wild trout population

17.3
Miles
5
Fish Species
0
Access Points
6
Local Guides

Regulations

5 fish, with no more than 3 trout 15“ or greater. Zero (0) Arctic Grayling.; Tackle: Artificial lures and all types of natural bait may be used.; Season: Last Saturday in April through September 30th

Map & Directions

Get Directions

Fish Species

Species found in North Branch Au Sable River.

Brook troutBrown troutLake troutRainbow troutSplake

Fishing Guides Near North Branch Au Sable River

Wolf Pack Guide Service
Alex Karbassi
Fly Fishing Guide
Big River Outfitters
Fly Fishing Guide
Bass Action Charters
Brian Bowers
Fly Fishing Guide
Due North Guide Service
Brian Gilbert
Fly Fishing Guide
Northern Michigan smallmouth
Casey Richarson
Fly Fishing Guide
Cast Away Guide Service
Clint Anderson
Fly Fishing Guide

Lakes in Otsego County

Bell Marie Lake

Big Bass Lake

Big Bear Lake

Big Chub Lake

Other Trout Streams in Otsego County

Bradford Creek

Class I 6.6 mi

Club Stream

Class I 11.3 mi

Frenchman Creek

Class I 3.4 mi

Hardwood Creek

Class I 4.3 mi

Hodge Creek

Class I 2.4 mi

Mossback Creek

Class I 4.6 mi

Plan Your Trip to North Branch Au Sable River

Data sourced from Michigan DNR Division of Fish and Wildlife. Last verified: April 1, 2026. Learn how we maintain this data.