Hill forts · North West England
Milefortlet 20
In or near Crosby.
Milefortlet 20 — milefortlet of the Roman Cumbrian Coast defences.

Wikimedia Commons licence
Plan your visit
- Typical visit
- 1 h–2 h
- Nearest railway station
- Maryport · 6.3 km
- Free entry
- Dog-friendly
Getting there & planning your visit
To visit Milefortlet 20, the nearest railway station is Maryport, located 6.3 km away. The postcode for navigation is CA15 6PB. Entry to the site is free.
About
Milefortlet 20 is a hill fort in the United Kingdom. Heritage designation: scheduled monument. Part of Hadrian's Wall. Wikidata describes it as: "milefortlet of the Roman Cumbrian Coast defences". Coordinates: 54.7565°, -3.4362°.
Photo gallery
See it from the streetimagery from 2024
Imagery © Mapillary contributors, CC BY-SA 4.0
Official information
Milefortlet 20 is the site of a Roman fortlet located in Cumbria, part of the Roman frontier defenses along the Cumbrian coast. Excavated in the late 20th century, the site features visible excavation trenches and earthworks, indicating its historical significance as a military structure used during the 2nd and possibly the 4th centuries.
Protected designations
- Area of Outstanding Natural Beauty: Solway Coast
Designations sourced from Natural England open data under OGL v3.
From the Wikipedia article
Milefortlet 20 (Low Mire) was a Milefortlet of the Roman Cumbrian Coast defences. These milefortlets and intervening stone watchtowers extended from the western end of Hadrian's Wall, along the Cumbrian coast and were linked by a wooden palisade. They were contemporary with defensive structures on Hadrian's Wall. There is little to see on the ground, but Milefortlet 20 has been located and excavated.
Excerpt from Wikipedia under CC BY-SA 4.0. See the source article linked in Sources below.
Background
Description
Milefortlet 20 is situated on the coast in the civil parish of Oughterside and Allerby. It is located on a low ridge on a gentle slope facing southeast.
Sourced from Wikipedia under CC BY-SA 4.0.
- Coordinates
- 54.7565, -3.4362
- District
- Cumberland
- Parish
- Hayton and Mealo
- Postcode
- CA15 6PB
- Parliamentary constituency
- Penrith and Solway
- Nearest railway station
- Maryport — 6.3 km
- Official site
- www.pastscape.org.uk
Sources
- wikidata: Q16933728 (CC0)
- wikipedia: Milefortlet 20 (CC BY-SA 4.0)
Other places nearby

Low Mire Mile Fortlet 20
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Swarthy Hill Roman Mile Fortlet 21
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Crosscanonby
Villages · 2.1 km

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Crosby
Towns & cities · 2.6 km

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Chapels · 2.8 km

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Mountains & hills · 2.9 km
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Frequently asked questions
- Where is Milefortlet 20?
- Milefortlet 20 is in the Scottish Lowlands, United Kingdom (postcode CA15 6PB), in the parish of Hayton and Mealo.
- What is Milefortlet 20?
- Milefortlet 20 — milefortlet of the Roman Cumbrian Coast defences.
- How do I get to Milefortlet 20?
- The nearest railway station is Maryport, about 6.3 km away. Drivers can use postcode CA15 6PB.
- Is Milefortlet 20 a listed building?
- Milefortlet 20 is officially recognised as scheduled monument listed.
- Is Milefortlet 20 a protected site?
- Yes — Milefortlet 20 is part of the Solway Coast National Landscape (AONB).
- Is Milefortlet 20 free to visit?
- Yes, Milefortlet 20 is free to enter.
- How do I get to Milefortlet 20?
- The nearest railway station is Maryport, about 6.3 km away. Drivers can navigate to postcode CA15 6PB.