Here is a narrated video of the navigation from Houat to the Golfe du Morbihan. The video sets out to introduce new audiences to sailing. There are images of cardinal bouys, isolated danger marks and port and starboard bouys. The supporting digital book with embedded video is aimed at RYA Competent Crew, RYA Day Skipper and sailors working towards their RYA Coastal Skippers or Yachtmaster qualification.
On the north side of the island there is over 30 kilometers of beautiful sandy beaches, some are over a kilometre wide. Vegetation adapted to the sand dunes and salt marshes such as sea meadow grass, sea lavender have grown up to form a natural form of defence and prevent erosion. Terschelling is a low level island at risk of flooding and erosion.