The key point to know about this NCR is that as you complete the climb the road falls apart and it goes from gravel to rocks near the top. Several gates to open, too. I would not recommend this to anyone with tyres less than 700x40c.... however, the views are breath-taking, the climbs are huge fun and the stop at Cregennan lake is EPIC!!!

mikejwheatley

April 23, 2024

Cycling

For the circular route around Allt-lwyd there are some boulder like sections very difficult on a gravel bike on the north side climb. I’d recommend using the other south side of the hill for the climb (tarmac to top) and at least the worst sections can be done downhill. You’ll still have one tricky uphill bit though. Can get wet w/ deep puddles after extended rain.

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1. Tal-y-Llyn or Llyn Mwyngil & Cregennan Lakes loop from Dolgellau — Eryri / Snowdonia National Park

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2. Cregennan Lakes – Mawddach Estuary Trail loop from Dolgellau

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3. Mawddach Estuary Trail – Penmaenpool Toll Bridge loop from Tonfanau

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Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Elevation 230 m

Weather

Today

Saturday 7 February

11°C

6°C

72 %

Additional weather tips

Max wind speed: 21.0 km/h

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

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View of Cregennan Lakes and Cadair Idris

1. Tal-y-Llyn or Llyn Mwyngil & Cregennan Lakes loop from Dolgellau — Eryri / Snowdonia National Park

2. Cregennan Lakes – Mawddach Estuary Trail loop from Dolgellau

3. Mawddach Estuary Trail – Penmaenpool Toll Bridge loop from Tonfanau

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