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Moel yr Ogof

Height

655m

Elevation Gain

2,181ft

Distance

6.4 miles

Type

Out & Back

Difficulty

Hard

Route

If you’re looking for a quieter day out in Eryri (Snowdonia), this secluded walk is a fantastic choice. The start point is reached via narrow country lanes, and once you arrive it truly feels like you’re in the middle of nowhere — no phone signal, just peaceful surroundings and a few scattered ruins in the distance.

Waymarked footpaths and faint trails guide the way, but regular navigation checks are recommended, especially when the heather is in full bloom and can obscure the track. From the start, the path skirts around the left of the lake before leading you past the fascinating ruins of the Prince of Wales slate quarry. These remains are well worth exploring, and you could easily spend extra time wandering through them.

The first section of the walk is overgrown in summer with heather, thistles, ferns, and long grass. It’s worth being mindful of ticks, especially if wearing shorts. The ground can be boggy in places, so this route is best enjoyed after a dry spell.

From the quarry, the route bends right and then loops back on itself to begin the ascent onto the Hebog ridge. The climb is steady with a clear, well-defined path and no technical sections or exposed ridge lines.

You’ll first reach the summit of Moel Lefn, followed by Moel yr Ogof, where the views open up beautifully across to Moel Hebog and the dramatic Nantlle Ridge. After soaking in the scenery, simply retrace your steps along the ridge back to the start.

This is a rewarding walk if you enjoy quieter trails, fascinating history, and sweeping mountain views without the crowds.

Hewitts and Nuttalls bagged

Hewitts

Moel Lefn 638m

Moel yr Ogof 655m

Nuttalls

Moel Lefn 638m

Moel yr Ogof 655m

Facilities

There are no facilities available during this walk

Information for pet owners

There are a number of stiles, including one which is quite difficult to cross with a dog

Likely to encounter grazing livestock such as sheep at various times of the year

There are a number of water sources lower down, including a lake

Where to park?

Parking coordinates: 53.02021° N, 4.17769° W


There is an honesty box for parking which costs £3 for the day

Nesting season is between March 1st to July 31st each year and on open access land, dogs are required to be on lead by law.

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April & Riley

Great Outpaws Founder

Our founder and her spotty sidekick Riley are based in South Wales, they’re often found hiking the Welsh mountains, sniffing out new trails, and championing truly dog-friendly adventures across the UK.

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