St. Vrain Drainage
Updated 5/12/24. Flows of the St. Vrain are still low but as the days progress runoff will be increasing for all rivers. Nymph pattern try San Juan worms, Squirmy worms, Egg Patterns, Copper Johns, Juju Midge, poison tungs, Radiation Baetis. Dry flies try Parachute Adams, BWO and Ext Body BWO Griffiths Gnat. Deep slow moving waters try Thin Mint, Green, Blk, White wooly Buggers.