The Chenal Ecarté (The Snye) is a river in the municipalities of Saint Clair (Lambton County) and Chatham-Kent (formerly in Kent County) in Southwestern Ontario, Canada.

[1][2][4] The creek begins at the St. Clair River in the municipality of Saint Clair at an elevation of 175 metres (574 ft),[3] south of the community of Port Lambton.

It flows southeast into Chatham-Kent, then turns south.

The distributary Johnston Channel exits from the right bank towards Lake St. Clair.

The river then turns south, sees the exit of the distributary Running Creek, then takes in the Sydenham River, turns southwest, and reaches its mouth at Lake St. Clair, at an elevation of 175 metres (574 ft).