Llyn Gwynant Walk

Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Easy
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
3-4h
Distance
This reflects the return distance of this route as measured by the GPS file.
10.3 km
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
401 m
User Ratings
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Directions to Trailhead
Llyn Gwynant Walk

The Llyn Gwynant Walk in Snowdonia National Forest is a rarely-travelled trail to a serene lake deep in the hills of the park. As you enjoy how the lake reflects the red and green hills surrounding it, you’re unlikely to encounter more company than local wildlife. This trail presents no technical challenges or significant elevation gain, making it a perfect outing in the stellar nature of Snowdonia for hikers and walkers of any level.

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View Llyn Gwynant Walk on Map

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Route Description for Llyn Gwynant Walk

This lovely walk isn’t particularly well-marked, so we recommend downloading the map and turning back to retrace your steps whenever you feel you’ve gone far enough.

The trail begins from the Llyn Gwynant Campsite. Approach the shore and follow the path that wraps around the lake heading to the left. You’ll follow the shores of the lake until you cross Afon Cors-y-Celyn. Here, take the trail that branches off to the left.

Stay left as there is a private trail that intersects with your trail several times. You’ll be mostly following Afon Cors-y-Celyn as you gain modest elevation.

You can follow this trail for several kilometres, but most will stop on the ridge that overlooks Llyn Gwynant, as this is the most rewarding viewpoint. Retrace your steps from here, taking care to stay right off of the private trail.

You’ll gently descend to the lakeshore. Turn right once you reach the main trail at the shore and continue to the campsite.

Route Highlights

Llyn Gwynant

Llyn Gwynant is considered by some to be one of the prettiest lakes in Wales. It tends to be calm, and the surrounding hills are reflected beautifully in the water on still days. The surrounding scenery is pristine and mostly untouched, making it a fantastic place to find some refuge in nature.

Insider Hints for Llyn Gwynant Walk

  • The dog-friendly campsite here is lovely, featuring a pizzeria and firepits
  • If you continue all the way around the lake and down A498, you can get a tea or coffee at Caffi Gwynant
  • There is a fairly robust network of walking trails in the area, so extending and customizing your journey is easy

Getting to the Llyn Gwynant Walk Trailhead

The Llyn Gwynant Walk begins from the Llyn Gwynant Campsite. From Nant Gwynant, take A498 north for 2.6 km and take the left exit onto the campsite road. Take your first left and park at the campsite.

Route Information

  • When to do

    Year-Round

  • Backcountry Campsites

    No

  • Pets allowed

    Yes - On Leash

  • Family friendly

    Yes

  • Crowd Levels

    Low

  • Route Type

    Out and back

Llyn Gwynant Walk Elevation Graph

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Llyn Gwynant Walk Reviews

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