The 3.5 km Tädu nature study trail is located in Viimsi municipality and runs along a forest trail. An attraction of the trail is fir trees growing on boulders. There are in total 9 interest points on the route.

It takes 1.5–2 hours at a calm pace to complete this 3.5-kilometre forest trail. The path starts at a little car park with am outhouse, information stand, map and introductory text. At the end of the trail, there is  a bonfire and picnic site where you can rest your feet and have a meal. The trail ends at Randvere tee and there is a 800m walk along the roadway back to the beginning of the trail.  The trail introduces various types of trees and stages of forest management - what, how and when is done.