The Koudiyala to NIM Beach route is the most long and underrated stretch for river rafting in Rishikesh. It is a 36 km stretch that takes around 6 to 7 hours to complete. The rapids on this stretch are graded III and IV+, which means they are of  difficulty. The Grate Wall is the most dangrous rapid of this ride of Grade IV. After completing this ride, you will reach an 90% mark where you can find a Maggie point to have snacks and take a break of 10-15 minutes.