The Grane Dam ( German : Granetalsperre ) is a dam above the village of Astfeld/Herzog-Juliushütte in the borough of Langelsheim in the Lower Saxon part of the Harz mountains.
4-776: It is the newest dam in the Harz , built in 1969 in the Grane valley. Because the river Grane itself does not deliver enough water for the 3 km long reservoir , a 7.4 km long diversion channel was built from the Oker river below the Oker Dam . This also collects water from the Gose on the way. A further 4.8 km long diversion runs from the Radau to the Großer Romke and thus into
8-409: A power output of 180 kW. The waterworks for drinking water lies higher up on the northern slope. The water from the reservoir is pumped up into a compensating storage basin of 60,000 m³ capacity, from where it flows to the waterworks. The Grane Dam has an average annual discharge of 55 million m³. Because the reservoir provides drinking water, water sports are not allowed. Even motor traffic
12-653: Is kept away from it. A track for maintenance was laid around the reservoir, which is also open to walkers and cyclists and is about 17 km long. There is a checkpoint (no. 110) in the Harzer Wandernadel hiking network by the reservoir known as Granestausee . List of dams and reservoirs in the Harz Too Many Requests If you report this error to the Wikimedia System Administrators, please include
16-709: The Oker-Grane Tunnel as well. Likewise there is a 4.6 km long tunnel to the Innerste Dam . The operator of the Grane Dam, as well as its associated diversion systems and waterworks is the Harzwasserwerke . The barrage is an earth dam with asphaltic concrete lining. The Grane Reservoir ( Granestausee ) supplies drinking water , acts as flood protection , water regulation and electricity generation . The hydro-electric power station has
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