Description
Walking down the road towards the ruins of Grosnez Castle, you will pass heathland dominated by gorse, bracken and heather, home to birds such as the Fâsă de luncă, Mărăcinar negru, Pitulice mică and Cânepar, whilst overhead, looking for small mammals are Vânturel roșu, Șorecar comun and Erete de stuf. In spring 2025 there were at least 3 pairs of Erete de stuf resident
Upon reaching the castle, it is possible to follow paths in either direction along the cliff top. Heading south you can walk to the WWII German observation post and even to the Batterie Molkte gun emplacements, whilst heading north the route takes you to Plemont. The cliffs are home to a variety of seabirds such as Pescăruș negru, Pescăruș negricios, Pescăruș argintiu, Pescăruș sur, Scoicar and Corb whilst out to see Alcă nordică and Ielcovan atlantic mic can often be seen.
Details
Access
Grosnez is located in the extreme northwest of the island of Jersey. The number 9 bus from Liberation Buss station in St Helier goes to the site (get off at Grosnez House). There is parking near the racecourse and also a car park at Grosnez Castle. Press a P on the map for directions to a parking. The road from the racecourse to the castle is tarmac and then the coastal paths are a mix of gravel, rocks and grass.
