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Caernarfon Castle – Pen-y-Pass loop from Dolgam

Routes

Mountain biking trails

Caernarfon Castle – Pen-y-Pass loop from Dolgam

Moderate

riders

Caernarfon Castle – Pen-y-Pass loop from Dolgam

04:52

73.4km

840m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: August 13, 2026

Tips

Includes a segment in which cycling is not permitted

After 69.8 km for 126 m

Waypoints

Start point

Bus stop

Get Directions

2.98 km

Siabod Cafe

Highlight • Cafe

This cafe has won many awards.
Unfortunately the have now closed this site from 8th January 2024.
Gutted.

Tip by

5.28 km

Capel Curig

Highlight • Forest

Best parking for Capel Curig - free National Trust Car Park

Tip by

5.66 km

Ogwen Valley Byway (Eastern Section)

Highlight (Segment) • Trail

Blue grade double track leading you from Capel Curig into the Ogwen valley. Classic views of Tryfan and the Carneddau await. After heavy rain it can become a bit muddy in places.

Tip by

13.4 km

Ogwen Visitor Centre and Snack Bar

Highlight • Parking

The visitor centre is located on the A5, approximately 5 miles south of Bethesda and approximately 4 miles west of Capel Curig, on the western side of Llyn Ogwen.
There …

Translated by Google •

Tip by

27.7 km

Rhydau Duon

Forest

30.4 km

Coed Tyddyn-badyn

Forest

40.7 km

Caernarfon Castle

Highlight • Castle

A medieval fortress situated on the on the banks of the River Seiont, Caernarfon Castle has protected Caernarfon since the 11th century. The magnificent castle is open to visitors from …

Tip by

54.4 km

View of Llyn Peris and Dinorwig Quarry

Highlight • Viewpoint

Excellent sight looking across Llyn Peris which is 503mtrs above sea level. Dinorwig hydroelectric power station is straight across the lake, this generates 1728MW of power. There are 16 kilometres …

Tip by

59.6 km

Cromlech Boulders

Highlight • Climb

Right opposite the layby are the two main blocks - a good description and link to the topo is at climber.co.uk/outdoor/bouldering/around-the-bloc-the-cromlech-boulders-llanberis

Tip by

61.9 km

Pen-y-Pass

Highlight • Parking

Right in the heart of northern Eryri (Snowdonia), Pen-y-Pass is superbly located for adventures on the Yr Wyddfa (Snowdon) massif and the Glyderau. It is a popular starting point for …

Tip by

73.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

33.9 km

12.3 km

10.2 km

6.14 km

5.98 km

4.11 km

753 m

Surfaces

50.8 km

9.02 km

4.74 km

4.31 km

3.33 km

1.21 km

Elevation

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

Highest point (360 m)

Lowest point (10 m)

Weather

Wednesday 19 August

16°C

11°C

86 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

Comments

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Caernarfon Castle – Pen-y-Pass loop from Dolgam

Siabod Cafe

Capel Curig

Ogwen Valley Byway (Eastern Section)

Ogwen Visitor Centre and Snack Bar

Caernarfon Castle

View of Llyn Peris and Dinorwig Quarry

Cromlech Boulders

Pen-y-Pass

Nearby routes

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