Cross Streets: Siberia Road and Wiltom Road. ** Directions: Dunn Street to Siberia Road, to Wiltom Road. Madawaska Valley - Barry's Bay building lot: tucked away at the end of Wiltom Road on the South West side of Trout Lake is a 2.187 acre building lot that is situated on a gently sloped hillside with hydro at the road (not waterfront, water is visible). (id:27476)