The protected area of Letonniemi is an important destination for education and research of post-glacial rebound, showcasing seaside nature and how areas like this turn from sea into forest. It is located only six kilometres from the city centre. A 2.7-kilometre nature trail provides a great opportunity to discover the lush and versatile vegetation. Along the trail, there is an old seafaring navigation device, now standing on solid ground 150 metres from the shore in the middle of the woods. The small lighthouse was built in the 1940s to guide ships to Toppila harbour. In those days, sea level was much higher than today, and Piispanletto in the middle of the area was still an island – the word “letto” means a small, bare island in the local dialect.
In Piispanletto, you will find a resting shelter with a campfire site and a birdwatching tower for the best view of the coast and the sea. Taking and harming of plants and plant parts is forbidden in Letonniemi protected area. Picking berries and mushrooms is allowed, however.