Running around Llyn Cwellyn is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes around Llyn Cwellyn—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.

Last updated: October 6, 2025

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1. Bwlch Glas Finger Stone – Yr Wyddfa (Snowdon) Summit loop from Llanberis

13.0km

02:07

890m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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2. Descent from Foel Goch loop from Llanberis

8.40km

01:19

510m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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3. Mynydd Mawr – Craig Cwmbychan loop from Nant Peris

8.15km

01:17

540m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4. Foel Goch Summit – Moel Eilio Summit loop from Llanberis

15.4km

02:08

670m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5. Moel Eilio Summit – Foel Goch Summit loop from Beddgelert

21.7km

03:19

1,250m

Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Browse the best Running Trails & Routes in other regions.

Snowdonia Llanberis Llyn Peris Beddgelert Llŷn AONB (AHNE Llŷn)Llandygai Llanllechid Llyn Idwal Llyn Padarn Llyn Llydaw Aberdaron Trawsfynydd Betws Garmon Mawddwy Rhinog National Nature Reserve Ynys Enlli National Nature Reserve Dyfi Forest Pistyll Porthmadog Morfa Harlech National Nature Reserve Bangor Llangywer Llanuwchllyn Llanddeiniolen Y Felinheli Llanaelhaearn Bethesda Llanrug Llanengan Llanfair Llanycil Llyn Arenig-Fawr Yr Eifl National Nature Reserve Llanfihangel-Y-Pennant Tywyn Llyn Cwm Bychan Penrhyndeudraeth Bala Lake Corris Llanelltyd Pentir Llanystumdwy Buan Llanfrothen Cors Geirch National Nature Reserve Llanbedr Talsarnau Llanbedrog Criccieth Llanegryn Ganllwyd Coed Maesgwm Caernarfon Llannor Waunfawr Brithdir And Llanfachreth Coed Aberartro Harlech Coed Llyn y Garnedd Dolgellau Maentwrog Llyn Trawsfynydd Nefyn Arthog Aber Ffestiniog Bala Llanllyfni Llyn Nantlle Uchaf Clynnog Coed Tyglas Dyffryn Ardudwy Dolbenmaen Pennal Pwllheli Llandwrog Tudweiliog Llangelynin Llanwnda Bontnewydd Bryn-Crug Barmouth Tanygrisiau Reservior Llandderfel Cors Gyfelog National Nature Reserve Aberdovey Botwnnog

The best running trails around Llyn Cwellyn

1. Bwlch Glas Finger Stone – Yr Wyddfa (Snowdon) Summit loop from Llanberis

2. Descent from Foel Goch loop from Llanberis

3. Mynydd Mawr – Craig Cwmbychan loop from Nant Peris

4. Foel Goch Summit – Moel Eilio Summit loop from Llanberis

5. Moel Eilio Summit – Foel Goch Summit loop from Beddgelert

Most popular routes around Llyn Cwellyn

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