Llyn Geirionydd
Llyn Geirionydd: A Historic Lake of Legends and Adventure
Llyn Geirionydd is a picturesque lake nestled within the Gwydir Forest near Trefriw, North Wales. Approximately one mile long, it is uniquely known as the only lake in Snowdonia National Park where powerboats and water skiing are permitted. Surrounded by rolling hills and woodlands, the lake offers a blend of natural beauty, recreational activities, and rich cultural heritage.
A Peaceful Lake Steeped in Welsh Legend
The tranquil waters of Llyn Geirionydd reflect the lush forests and hills that encircle it, creating a serene atmosphere ideal for relaxation and exploration. Visitors can enjoy a variety of activities, from leisurely walks along the shoreline to engaging in water sports. The lake’s historical significance adds depth to its appeal, with connections to Welsh legends and poetry.
© Brad Carr
Walks & Hikes Around Llyn Geirionydd
Llyn Geirionydd is surrounded by quiet forest tracks, scenic ridgelines, and historic landmarks, making it a great base for gentle walks and more adventurous hikes.
Book a Guided Hike on Llyn Geirionydd
Llyn Geirionydd Shore Walk
- 1.5 mi
- 45 mins
A short and peaceful walk around the lake’s edge, ideal for families and anyone looking for a relaxed stroll with lovely views.
Geirionydd to Llyn Crafnant Trail
- 2 mi
- 1 hrs - 1.5 hrs
A scenic woodland route linking two of Snowdonia’s most tranquil lakes. Mostly level with a few rocky sections.
Geirionydd Ridge Loop via Mynydd Deulyn
- 4.5 mi
- 2 hrs - 3 hrs
A rewarding circuit with forest climbs and views across the Conwy Valley. Includes peaceful sections through Gwydir Forest.
Geirionydd & Pen y Gaer Circular
- 6 mi
- 3 hrs - 4 hrs
Climb through forest and open hillside to reach Pen y Gaer, a hillfort with panoramic views and Iron Age history.
Geirionydd & Llanrwst Riverside Return
- 8 mi
- 4 hrs - 5 hrs
Start at the lake and follow paths down to Llanrwst before looping back via quiet lanes and forest. A mix of lakeside, riverside, and countryside terrain.
What to Know Before You Go
While the lake is suitable for various water activities, visitors should be mindful of designated areas, especially when powerboats are in operation. Dogs are welcome but should be kept under control, and owners are expected to clean up after them. There are no bins on-site, so visitors should take their litter home.
Why We Love Llyn Geirionydd
Llyn Geirionydd offers a unique combination of natural beauty, recreational opportunities, and cultural heritage. Whether you’re seeking adventure on the water, a peaceful walk, or a connection to Welsh history, the lake provides a memorable experience for all visitors.
How to Get to Llyn Geirionydd
Llyn Geirionydd is accessible by car from Llanrwst or via the A5 between Capel Curig and Betws-y-Coed. The access roads are narrow and winding, so caution is advised. Free parking is available on-site, along with public toilets.
A Bit of Llyn Geirionydd History
The lake is steeped in legend, notably associated with Taliesin, one of the earliest Welsh poets. Additionally, the nearby Klondyke Mill reflects the area’s industrial heritage, having processed lead and zinc ore in the early 1900s. These historical elements add depth to the natural allure of Llyn Geirionydd.
Keep exploring
Llyn Geirionydd is just one of the many enchanting lakes in Snowdonia. Ready to discover more? Check out our guides to nearby peaks and waterside adventures!