Grand Vaux reservoir is located in St. Saviour and was constructed in 1952. The reservoir holds just over 50 million gallons. The dam is 141m long and 15m high.
Located not far out of town in the parish of St. Saviour, Grand Vaux Reservoir was the first big development by the Water Works company after the occupation of Jersey during the second World War. It was completed in 1952.
It’s not open to the general public but the beautiful area can be viewed from the road side. It is used by members of the Jersey Freshwater Angling Association. Grand Vaux is now a coarse water and has been stocked with carp to over 30lb. There are still some perch in there too. Like other stretches of water in Jersey, Grand Vaux also has lots of Rudd and Freshwater Eels. But interestingly these fish were not put there deliberately.
There's a bus stop right next to where this cache is located. If you're driving, you can park near La Rue a La Dame, near Grand Vaux School or in the small reservoir car park just north from this location.