An hour excursion on a barge to discover the Lake "Lac de La Gruyère". Admire the cliffs of Rossens and venture onto dry land to visit the Ogoz Island with its ruins and its restored chapel.

This activity is offered by "the Ogoz Island Association" which mainly aims to preserve the medieval remains on the Ogoz Island and enables the public to visit them. Apart from barge excursions on La Gruyère Lake, the association organizes entertainment in the area and offers the possibility to organize ceremonies and events on the island in the restored chapel.