Anglers should remember that the river is tidal below Craignair Bridge, and familiarise themselves with the times of High Tide. Bait fishers must give way to fly fishers, 13. The River Ugie Sea Trout Fishing on the Ugie The River Ugie is formed from the North Ugie and the South Ugie, which is impounded in its upper course to form Fedderate Reservoir. Survey Maps,