The source is Mont-Dore and the mouth is Garonne-Atlantic Ocean.
Navigation on the Dordogne starts at Saint-Pierre-d'Eyraud and ends at Ambès.
The Dordogne is 483.00 kilometres long (300.12 miles) with a total of 117.60 kilometres of navigable waterway.
The highest point on the Dordogne is 1714.00 metres (5623′ 4″ ft) above sea level and the lowest point is at 0.00 metres (0′ 0″ ft) above sea level.
From Saint-Pierre-d'Eyraud to Ambès
The water draft is 2.00 metres (6′ 7″ ft) and the air draft is 7.00 metres (22′ 12″ ft).