First Leg: Cassadaga and Conewango Creeks The Marden E. Cobb Waterway is a beautiful ribbon of water including Cassadaga and Conewango Creeks. We began our journey at Red Bird Corners in Sinclairville, NY. Share this:Share Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Like Loading...