Sefidrood river (grade 3) is located in Gilan province and it is suitable for rafting and kayaking.
The Sefīd-Rūd is a river approximately 670 kilometres (416 mi) long, rising in northwestern Iran and flowing generally northeast to meet the Caspian Sea at Rasht. The river is Iran's second longest river after the Karun.
Sefid Rud has cut a water gap through the Alborz Mountains, the Manjil gap, capturing two headwater tributaries and widening the valley between the Talesh Hills and the main Alborz range. The gap provides a major route between Tehran and Gīlān Province with its Caspian lowlands.