Newlyn tidal observatory and part of the south pier
Newlyn tidal observatory and part of the south pier, Tidal observatory in Penzance, England
The Newlyn Tidal Observatory consists of a concrete hut with red and white stripes situated behind the lighthouse at the end of South Pier.
Between 1915 and 1921, measurements from this observatory established the official reference point for all height measurements across mainland Britain.
The observatory represents a milestone in British maritime science, connecting generations of researchers studying sea levels and environmental changes.
Inside the observatory, visitors can observe the brass bolt benchmark and a 1.6-meter diameter stilling well that connects to the ocean.
The Natural Environment Research Council maintains electronic tide gauges at the site, continuing over 100 years of uninterrupted sea level observations.
Location: Penzance
Website: https://ntslf.org/tgi/portinfo?port=Newlyn
GPS coordinates: 50.10303,-5.54276
Latest update: March 3, 2025 22:29
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