Pitlochry fish ladder, next to the Pitlochry Power Station on the River Tummel near Pitlochry, Perth and Kinross, Scotland – The ladder was completed in the early 1950s and consists of 34 separate pools, each 50 cm higher than the last and covering a distance of 310 m. Each pool has a 1 m opening below the water level to allow the fish to pass to the next pool. There are three larger pools which allow the fish to rest during their ascent, and one of these has an underwater viewing area with a glass wall for the public.
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