Saloum Delta or Sine-Saloum Delta is a river delta in Senegal at the mouth of the Saloum River where it flows into the North Atlantic Ocean. The delta covers 180,000 hectares. It extends 72.5 kilometers along the coastline and 35 kilometers inland. In 2011, a 145,811-hectare portion of the delta was designated a UNESCO World Heritage site. The site contains "brackish channels encompassing over 200 islands and islets, mangrove forest, an Atlantic marine environment, and dry forest.