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Llyn Idwal

Llyn Idwal

The best running trails around Llyn Idwal

4.8

(69)

8,751

runners

219

runs

Running around Llyn Idwal 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 Idwal—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: December 9, 2025

4.0

(5)

171

runners

1. Carnedd Dafydd & Carnedd Llewelyn loop from the Ogwen Valley — Snowdonia National Park

19.7km

02:50

930m

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

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Hard

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2. Y Garn to Glyder Fach trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

11.5km

02:19

930m

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

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Hard

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3. Llyn Idwal loop from Ogwen Cottage — Snowdonia National Park

4.24km

00:29

110m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

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4. Glyder Fawr & Glyder Fach loop from Ogwen Cottage — Eryri (Snowdonia) National Park

10.1km

01:52

740m

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

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Hard

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5. Pen Yr Ole Wen from Ogwen YHA trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

7.16km

02:02

660m

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

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Hard

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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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The best running trails around Llyn Idwal

1. Carnedd Dafydd & Carnedd Llewelyn loop from the Ogwen Valley — Snowdonia National Park

2. Y Garn to Glyder Fach trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

3. Llyn Idwal loop from Ogwen Cottage — Snowdonia National Park

4. Glyder Fawr & Glyder Fach loop from Ogwen Cottage — Eryri (Snowdonia) National Park

5. Pen Yr Ole Wen from Ogwen YHA trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Most popular routes around Llyn Idwal

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