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St Mawes Castle

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St Mawes Castle, Tudor coastal fortification in St Just in Roseland, United Kingdom.

Description

St Mawes Castle is a Tudor coastal fortification built on the Cornish shore with a central round tower surrounded by three semicircular bastions arranged in a cloverleaf shape. This design allowed defenders to fire at approaching vessels from multiple angles and control access to the estuary below.

History

The castle was built starting in 1539 under King Henry VIII as part of coastal defense against French and Spanish threats. It was one of many forts constructed along the English coast during this period of rising naval tensions.

Culture

The castle preserves Tudor military engineering techniques through its architectural elements, including thick stone walls designed for mounting heavy artillery.

Practical

The site is open to visitors and offers good views across the water and toward the opposite shore. Walking paths connect the different sections, giving access to various vantage points around the structure and across the estuary.

Did you know?

The fort originally had gun positions mounted on its bastions and housed a small garrison to staff them. Walking around today, you can still spot the slots and openings where cannons once pointed out across the water.

Inception
1539
Operator
English Heritage
Part of
Device Forts
Address
Castle Drive
GPS coordinates
50.15540,-5.02394
Latest update
January 8, 2026 16:44

AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide. Discover all places nearby (St Just in Roseland).

What to see in Cornwall: castles, coastal villages, beaches and gardens

Cornwall lies at the southwestern tip of England. It is a peninsula surrounded by the sea, shaping its history and identity. You can see this region through its castles on cliffs like Tintagel or St Michael's Mount, its fishing villages on small bays such as Mousehole, and its busy ports like...

« St Mawes Castle - Tudor coastal fortification in St Just in Roseland, United Kingdom » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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