The Krutynia is the classic kayak river of the Mazurian Lakes: a slow-moving, forest-edged waterway that winds through eleven lakes over about 100 kilometres from its source to Lake Roś. The standard multi-day kayak route — typically done over four to six days — begins at Sorkwity or Krutyń village and finishes at Ruciane-Nida, passing through state forest, quiet lakes, and villages with campsites at reasonable intervals.
The water is clear and the current is gentle enough for beginners. Wildlife along the route includes white-tailed eagles, black storks, beavers, and otters. The route is well-established and can be done either independently (renting kayaks and camping along the banks) or as a package through one of the many agencies in Mikołajki. Summer weekends bring more boats; weekdays in June or September are considerably quieter.