A body of water, such as a canal, lake, reservoirs, or river, is navigable if it is calm, deep, and wide enough for a watercraft to pass safely. Navigability is also referred to in the broader context
Navigation markers, entrance of Fremantle harbour and the Swan River, Western Australia
In physical geography and hydrology, a channel is a landform on which a relatively narrow body of water is situated, such as a river, river delta or strait. While channel typically refers to a natural
Vivari Channel in Albania links Lake Butrint with the Straits of Corfu.
Wooden pilings mark the navigable channel for vessels entering Lake George from the St. Johns River in Florida.