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Tanygrisiau Reservior

Tanygrisiau Reservior

The best MTB trails around Tanygrisiau Reservior

3.5

(26)

147

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rides

Looking for the best mountain biking routes around Tanygrisiau Reservior? Then browse our collection of mtb rides around this beautiful lake in Gwynedd below — and discover more of on your next visit.

Last updated: December 3, 2025

1.0

(1)

riders

1. Penmachno Trails – Dolen Machno Fire Road Climb loop from Blaenau Ffestiniog

40.1km

03:52

1,090m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

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2. View of Llyn Trawsfynydd loop from Blaenau Ffestiniog

49.9km

03:23

750m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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3. Cwmorthin Climb – Cwmorthin Lake loop from Blaenau Ffestiniog

16.7km

01:49

630m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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4. Antur Stiniog Trailhead – Scrubadub Rock Gardens loop from Tal-y-waenydd

4.58km

00:30

200m

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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Moderate

5. Hefin's Wall – View of Llyn Trawsfynydd loop from Cae Clyd

32.1km

02:28

540m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

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The best MTB trails around Tanygrisiau Reservior

1. Penmachno Trails – Dolen Machno Fire Road Climb loop from Blaenau Ffestiniog

2. View of Llyn Trawsfynydd loop from Blaenau Ffestiniog

3. Cwmorthin Climb – Cwmorthin Lake loop from Blaenau Ffestiniog

4. Antur Stiniog Trailhead – Scrubadub Rock Gardens loop from Tal-y-waenydd

5. Hefin's Wall – View of Llyn Trawsfynydd loop from Cae Clyd

Most popular routes around Tanygrisiau Reservior

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