The main hydrographic slopes near Raven Lake are: • North side: Boundary Lakes, Labyrinthe Lake,
Dasserat River; • East side:
Hébert Lake,
Dufay Lake,
Granville River; • South side:
Laberge River, Loutre Creek; • West side:
Larder River,
Larder Lake, Sharp Creek. This body of water, which has the shape of a large V open to the Southeast, includes Hannigan Bay (Northwest shore). The mouth of Lake Raven is located at: • Southeast of
Larder Lake; • West of the Quebec - Ontario border; • Northeast of the mouth of the
Larder River (confluence with the
Blanche River (Lake Timiskaming); • Northwest of the
Blanche River (Lake Timiskaming) From the mouth of Raven Lake, the
Larder River flows over , forming a hook to the west, before spilling onto the northeast shore of the
Blanche River (Lake Timiskaming). The latter flows southeast to
Lake Timiskaming, which straddles the Ontario - Quebec border. == Toponymy ==