Yes - On average it is possible to go rafting at any time but it will depend on the rainfall and the level of water. Currently there is a Dam being built for power generation which also causes changes in the water levels.
More info can be found at http://www.ceylonadventure.com
WHITE WATER RAFTING
Experience white water rafting in the picturesque Kelani River, covering 5
major rapids & 4 minor rapids. This activity is for anyone above the age of
10 years with safety gear, modern rafts, and a safety briefing
05 Km league – Approx. 02hours
08 KM league (for experienced rafters)
10 Km league (for experienced rafters)
Do drop us an email if you would like more information.