At Koli, canoes, kayaks and SUP boards are rented by Koli Active Oy at Koli harbour, and kayaks, SUPs, boats (also with motors) by VisitKoli in Merilänranta, Koli Camping Merilänranta. At Koli, Kalastusretket/Fishing Trips hires a motorboat Pioner 11.5 with a 40 hp engine. The boat is equipped according to the standards required by law and there is also a chartplotter. The boat is registered for maximum five persons. For fishing and for kayaking you can also hire sit-on-top kayaks. There are six single kayaks and two double kayaks for hire. Seikkailyhtiö Vaara rents SUPS and packrafts at Koli village.
The sandy islands rising from Pielinen and the narrow archipelago stretching south from it are an attractive destination in calm weather. The islands have more campgrounds and a lovely white sand beach for beach life.
Please note that the regulations of the Koli National Park prohibit movement on islets smaller than one hectare from 15 May to 17 July for nesting peace of waterfowl. You can find more information on Koli's boat and canoeing destinations and trails at nationalparks.fi.
The extensive Pielinen is a versatile source of summer fun that can be captured by rowing, canoeing or racing trip on your own, or on a guided trip. The Ruunaa white waters and the Jongunjoki or Patvinsuo river routes closer to the eastern border are the top destinations for tours on the river and rapids shooting.