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Hiking trails & Routes

View of the Swellies – Folly Tower Ruins loop from Y Felinheli

Hiking trails & Routes

View of the Swellies – Folly Tower Ruins loop from Y Felinheli

Moderate

35

hikers

View of the Swellies – Folly Tower Ruins loop from Y Felinheli

04:55

18.5km

190m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Tips

Includes movable bridges

Check opening times.

After 679 m for 27 m

After 17.8 km for 27 m

Waypoints

A

Start point

Bus stop

1

869 m

View of the Swellies

Highlight • River

1.40 km

Limekiln Covert

Forest

3

1.75 km

View of the Menai Strait and Plas Newydd

Highlight • Viewpoint

4

2.41 km

Folly Tower Ruins

Highlight • Monument

5

3.25 km

Forest Path

Highlight • Forest

6

4.00 km

View of Llyn Cefni from Wooden Shelter

Highlight • Lake

5.21 km

Coed Mair

Forest

8

5.71 km

Britannia Bridge Lions

Highlight • Monument

9.67 km

Viewpoint

Viewpoint

10

17.9 km

Port Dinorwic Marina (Y Felinheli)

Highlight • Viewpoint

Y Felinheli or Port Dinorwic, is a picturesque village situated on the Menai Strait. These days it is a popular destination for tourists. It has stunning waterside and landscape views and is a hub for a host of activities.

Tip by

B

18.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.72 km

4.18 km

3.05 km

1.17 km

837 m

552 m

Surfaces

3.86 km

3.40 km

3.36 km

2.98 km

2.70 km

2.21 km

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Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (60 m)

Lowest point (0 m)

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Weather

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Wednesday 7 October

16°C

9°C

-- %

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