The source is Saint-Aquilin-de-Corbion and the mouth is Maine.
Navigation on the Sarthe starts at Le Mans and ends at Angers.
The Sarthe is 314.00 kilometres long (195.11 miles) with a total of 133.00 kilometres of navigable waterway.
There is a total of 20 locks, with an average of 1 lock every 6.65 kilometres (4.13 miles).
The highest point on the Sarthe is 260.00 metres (853′ 0″ ft) above sea level and the lowest point is at 15.00 metres (49′ 3″ ft) above sea level.
From Le Mans to Angers
The water draft is 1.40 metres (4′ 7″ ft) and the air draft is 3.90 metres (12′ 10″ ft).
General lock size
There are "Becquey-like" lock types.
Lock length 33.00 metres (108′ 3″ ft)
Lock width 5.20 metres (17′ 1″ ft)
Self-drive boats cruising on the Sarthe
More details about The Anjou - Loire region