St. Vrain Drainage
Updated 5/22/23. Sources made mention the St. Vrain is ice free from Copeland Falls on down through lyons Co. We will keep you updated as thing change in higher elevations change. With spring runoff squirmy worm patterns, San Juan worms should work well. Zebra midge and poison tung, pheasant tail patterns should produce fish as well. Dry flies include Parachute Adams, Griffiths Gnat, Purple Haze, BWO and Ext.body BWOs