Cwm Idwal Walk: An Easy Hike in Eryri

Do you hear the mountains calling your name, beckoning you towards adventure and scenic beauty? If so, you're in for a treat!

The Cwm Idwal Walk is a hidden gem in the heart of Eryri (Snowdonia), Wales, that promises breathtaking vistas, tranquillity, and a chance to immerse yourself in nature's grandeur.

The circular walk around Llyn Idwal is one of the easier walks in Eryri - and one of the most spectacular. Expect crystal clear water, mighty mountain views and a real sense of adventure. Let's embark on a journey to discover the wonders of the Cwm Idwal…


Where is Cwm Idwal?

Woman paddling feet in Llyn Idwal

Address: Ogwen Cottage, Nant Ffrancon, Bethesda, LL57 3LZ

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Google Directions: Ogwen Cottage (National Trust)

Nestled within the Snowdonia National Park, Cwm Idwal is a glacial valley that's truly a sight to behold. To reach this enchanting location, head to the charming village of Bethesda, Gwynedd. From there, follow the A5 road, and you'll soon find yourself in the embrace of this natural wonder.


How long is the Cwm Idwal Walk?

The route from Ogwen Cottage to Llyn Idwal

Duration: 2-3 hours | Distance: 4.8km (3 miles)

One of the most enticing aspects of the Cwm Idwal Walk is its accessibility. Clocking in at just under three miles (4.8 kilometers) for the full loop, it's a manageable journey suitable for all ages and fitness levels. Whether you're an experienced hiker or simply looking for a leisurely family stroll, this walk is perfect for you.


Is Cwm Idwal an Easy Walk?

Red headed woman wearing an orange fleece on the Cwm Idwal Walk.

The Snowdonia National Park Authority classifies this trail as moderately challenging. It's ideal for individuals who have prior experience with countryside walks and possess a decent level of fitness.

Expect the terrain to feature occasional steep sections and uneven paths in natural surroundings. Don't forget to equip yourself with sturdy walking boots and waterproof clothing - we are in Wales afterall!


Cwm Idwal Circular Route

Llyn Idwal, with blue skies.

Prepare to be amazed by the stunning scenery that unfolds before you as you traverse the Cwm Idwal Circular Route. This path will take you around the tranquil Llyn Idwal, a glacial lake surrounded by some of Wales’ highest peaks. Keep an eye out for the unique geology and abundant flora and fauna that call this valley home.

Here's a step-by-step guide to the Cwm Idwal Circular Route…

  1. Start at Ogwen Cottage Ranger Base: Begin your adventure at Ogwen Cottage, which serves as the trailhead for the Cwm Idwal Circular Route. You can conveniently park your vehicle here. See parking options below.

  2. Grab Your Gear: Before setting off, ensure you have all the necessary gear. This includes comfortable walking boots, waterproof clothing, a backpack with essentials like water, snacks, and a map.

  3. Head Towards Llyn Ogwen: From Ogwen Cottage, follow the path leading towards Llyn Ogwen, a stunning glacial lake. This initial stretch offers scenic views of the lake and surrounding mountains.

  4. Cross the Footbridge: After a short walk, you'll reach a footbridge. Cross it to continue on the trail.

  5. Ascend to Llyn Idwal: The path gradually ascends, leading you into the Cwm Idwal valley. You'll soon come across Llyn Idwal, the beautiful glacial lake at the heart of the valley. Take your time to soak in the serene ambiance and admire the towering cliffs surrounding the lake.

  6. Follow the Circular Route: Continue around the lake, following the clearly marked path. You can choose a clockwise or anti-clockwise route - we opted to hike clockwise around Llyn Idwal. You'll be treated to awe-inspiring views of Tryfan and the Glyderau mountains.

  7. Explore the Devil's Kitchen: As you progress, you'll reach a distinctive feature known as the Devil's Kitchen. This is a dramatic, rocky cleft in the cliffs, and it's well worth a closer look. However, exercise caution around this area, as the terrain can be challenging.

  8. Complete the Loop: Continue along the circular route, enjoying the diverse landscapes that unfold before you. The path will lead you back to Llyn Ogwen.

  9. Return to Ogwen Cottage: Finally, follow the path back to Ogwen Cottage, where you began your journey.

Once you've completed the Cwm Idwal Circular Route, take a moment to reflect on your adventure. Find a scenic spot, perhaps by the shores of Llyn Ogwen, to sit, relax, and absorb the natural beauty of Snowdonia.


Can I swim in Llyn Idwal?

A woman wearing a beanie hat, stood in front of Llyn Idwal with her camera.

While the crystal-clear waters of Llyn Idwal may beckon you for a refreshing dip on a hot day, it's essential to remember that swimming is not advisable due to the sensitive ecological balance of the lake. Instead, take in the picturesque views and relish the opportunity to connect with nature.

Check out my list of favourite wild swimming spots in Snowdonia.


Cwm Idwal Walk Parking

A family picture of a couple and their baby whilst hiking Cwm Idwal.

Convenient parking is available at Ogwen Cottage, which is the starting point for the Cwm Idwal Walk. It's advisable to arrive early, especially during peak seasons, to secure your parking spot as this charming location can get quite popular.

During peak times, the available parking spaces tend to fill up rapidly. However, there are a couple of eco-friendly alternatives to consider. You can opt for a park-and-ride service located in nearby Bethesda. Additionally, there are frequent T10 bus routes connecting Bangor and Corwen, as well as the Bws Ogwen, a local electric shuttle bus that operates regularly between Bethesda and Capel Curig.


So, there you have it - the Cwm Idwal Walk, a delightful journey through a glacial valley that promises tranquillity, natural beauty, and a chance to disconnect from the hustle and bustle of everyday life. Whether you're a seasoned hiker or simply seeking a peaceful escape, Cwm Idwal beckons with open arms. Happy hiking!


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A Short Circular Walk in Betws-y-Coed

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The Highest Mountains in Wales