WhiteWater.Ru
This is really central place where all Russian whitewater community meets together, from Moscow to Siberia, from catarafters to slalom racers and rodeo freaks. Event announcements, competition results, trip reports and more. The most alive discussion board among other sites. To post a message press Новое сообщение button at the top of the page - there are many peoples there who will be able to reply messages posted in English.