Rønningen - Griseryggen Lunde, Nome, Telemark, Norway 5.7km|387m ◢ ◣ 56m|21.06.2019 Open in the Trailguide Web App Description Easiest way up Griseryggen from the Lunde side. Starts with forest vehicle road, switches to tractor road. Up on the hill there is a path. A little knotty in a couple of places, but mostly nice flow. Access Starts at Rønningen.