Winter on the Mount - opening dates and times
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Walking

St Michael’s Mount is a tidal island, connected to the mainland by an ancient, cobbled causeway.

At high tide, the sea covers the causeway and the Mount is inaccessible on foot; at low tide, the causeway is revealed and visitors can stroll across to explore the island.

The causeway is open for around four hours each day, depending on the tides and weather conditions. Our ticketing system is aligned to the causeway times, so you’ll only be able to book ‘walking’ tickets when the causeway is uncovered.

We suggest that you allow around 15 minutes to walk across the causeway to our first checkpoint, which is at the base of the island.

We don’t restrict the time that you can stay on the island, but suggest that you allow at least 3 hours to visit the castle, shops and cafes. As the only way onto and off the island during winter is by causeway, we recommend checking our causeway times (below) and opening hours to plan ahead for when you would like to leave the island again.

Date Causeway Opens Causeway Closes
Tuesday 30 November 2021 Closed Closed
Wednesday 01 December 2021 Closed Closed
Thursday 02 December 2021 08:30 11:10
Friday 03 December 2021 08:30 12:10
Saturday 04 December 2021 Closed Closed
Date Tuesday
Causeway Opens Closed
Causeway Closes Closed
Date Wednesday
Causeway Opens Closed
Causeway Closes Closed
Date Thursday
Causeway Opens 08:30
Causeway Closes 11:10
Date Friday
Causeway Opens 08:30
Causeway Closes 12:10
Date Saturday
Causeway Opens Closed
Causeway Closes Closed