Learn all about the popular fly patterns on our rivers here in our ever-growing encyclopedia of fly fishing fly knowledge. 

Old Au Sable Fly Encyclopedia

Welcome to the Old Au Sable Fly Fishing fly encyclopedia. Anglers use hundreds of fly patterns on the river. In our encyclopedia you will find recipes, reports, and videos detailing many of these patterns. We are always looking to add new patterns and information to our collection and welcome your submissions to info@oldausable.com.