Frierstien offers an excellent walk of 9-10 km and forms part of the coastal path in Porsgrunn.
It connects the areas along the Frierfjord west of the Eidanger peninsula.
Parts of the path have been used by man since the dawn of time, either as a way of getting to their homes or in connextion with fishing, forestry and agriculture.
Blue signposts show the way. There are bus stops close by the path in Brevik and Porsgrunn.
Hiking Map: Porsgrunn – Oklungen – Langesundsbukta – Frierfjorden - Langangen