Visit to the Cascais Tide Gauge
Free 10+ Other
Discover one of the world's oldest tide gauges, in continuous operation since 1882, and learn how it measures the altitude of mainland Portugal.
Free 10+ Other
Discover one of the world's oldest tide gauges, in continuous operation since 1882, and learn how it measures the altitude of mainland Portugal.
Guided visit to the Cascais Tide Gauge as part of the European Heritage Days.