Cycle the entire circumference of Lake Pielinen, the northernmost body of the Vuoksi water system in North Karelia. The shores are lined by steep tree-covered hills, of which the Koli peak rises the highest. The shoreline itself is rugged and varies from majestic rocks to velvety beaches. More information you will find at www.visitkarelia.fi.
In Koli, there are many cyclig routes, E.g. the ideal sand route Hatusaari along the scenic landscape.
Cycling routes map you can find by the following link: http://www.vaellus.info/reittikartta.php?id=0410081028282203
Bike rentals: http://www.korpisoturi.fi/index.php?option=com_content&view=article&id=74:korpishop&catid=43:english&Itemid=72