. agle River Peak Flow Prediction Contest! When will spring runoff in the Eagle River Peak? Make your guess by April 30th for a chance to win! $15 per guess or 3 for $40 PRIZES INCLUDE A Cloud 9 from Rocky Mountain Rafts, 3-Day Canoe Adventure for Two with Centennial Canoe, $500 Dining Certificate from Vail Resorts, & MORE! GO TO ERWC.ORG FOR MORE INFO AND TO PURCHASE TICKETS Eagle River Watershed Council