Oestertalsperre, Water reservoir in Plettenberg, Germany
The Oestertalsperre features a gravity dam built with rubble stone, reaching 36 meters in height and extending 231 meters across its crown length.
Construction of the reservoir began in 1904 under Otto Intze's design, facing financial challenges as multiple construction firms declared bankruptcy before its completion in 1907.
The reservoir serves the local community by managing water levels for industrial facilities while providing a natural space for outdoor activities near Plettenberg.
Visitors can explore the 2.6-kilometer circular path around the reservoir, which includes both paved road sections and parallel forest trails.
The facility maintains 3.1 million cubic meters of water across 24.5 hectares, supporting water management for the Ruhr River and local industrial operations.
Location: Plettenberg
Elevation above the sea: 366 m
GPS coordinates: 51.16610,7.82000
Latest update: November 4, 2025 03:25
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