Garn Boduan is an Iron Age hillfort and hill near Nefyn on the Llŷn Peninsula. In a fascinating survey in the 1950s the traces of over 170 round houses were identified on this site and around 100 round houses are still visible on the ground. Between 100 and 400 people may have lived in this fort high up here on the hill. The lower stone rampart is the original defence built in the Iron Age. Fine views can be had over the surrounding Llŷn peninsula and nearby Nefyn from here. it is also a UK listed Marilyn.

David Howells

October 27, 2023

Running

Garn Boduan is an Iron Age hillfort and hill near Nefyn, on the Llŷn Peninsula in Wales. In a survey in the 1950s the traces of over 170 round houses were identified on this site, and around 100 round houses are still visible on the ground. Between 100 and 400 people may have lived in this fort. The lower stone rampart is the original defence built in the Iron Age. At a later date, perhaps in the 6th/7th century AD, a smaller rampart was built on the eastern side. It is also a UK listed Marilyn.

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1. Garn Boduan Loop

7.37km

02:15

240m

Hike the moderate Garn Boduan loop from Nefyn, offering coastal views and an ancient Iron Age hillfort, covering 4.6 miles.

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Moderate

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2. View of Llŷn Peninsula Coast – Garn Boduan Iron Age Hillfort loop from Nefyn

4.89km

01:30

170m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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3. Nefyn Beach – Garn Boduan Iron Age Hillfort loop from Nefyn

6.62km

02:07

280m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

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Elevation 280 m

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Wednesday 4 March

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Max wind speed: 21.0 km/h

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Location: Buan, Gwynedd, North Wales, Wales, United Kingdom

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Garn Boduan Iron Age Hillfort

1. Garn Boduan Loop

2. View of Llŷn Peninsula Coast – Garn Boduan Iron Age Hillfort loop from Nefyn

3. Nefyn Beach – Garn Boduan Iron Age Hillfort loop from Nefyn

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