The ancient shores and old ports of the Rahja archipelago are living proof of a post-glacial rebound. All of the habitat types of a coast with rising land masses can be seen on Rahja’s hundred islands, from the inner archipelago’s sheltered forests to the rugged islets out in the open sea. The Rahja archipelago is a wonderful, sheltered destination for a geocaching trip, kayaking, SUP paddling or cross-country skiing.