Mynydd Prenteg

Standing at 567 metres, this modest peak offers a proper workout without the crowds that swamp Snowdon. The path winds steeply upward through rough grassland and scattered rocks, taking about two hours return from the nearest parking spot near the A487. Views from the summit sweep across the Menai Strait towards Anglesey on clear days, with Caernarfon Castle visible as a grey smudge in the distance.

Experienced walkers will appreciate the quieter alternative to the Snowdonia honeypots, though the route isn't waymarked and requires decent navigation skills. Families with older children who fancy a challenge will find it manageable, but little ones will struggle with the steep sections and loose terrain.

Weather changes fast up here, so proper gear is essential even on bright mornings. The final approach involves some hands-on scrambling over rocky outcrops that can be slippery when wet. Allow three hours total if you're stopping for photos and a summit brew.

From holiday parks around Beddgelert or the Haven Greenacres site near Porthmadog, it makes a decent half-day expedition. The proximity to Caernarfon means you can easily combine it with castle visits or coastal walks along the Menai Strait. Not the most spectacular peak in Gwynedd, but well worth the effort for those seeking solitude away from the tourist trails.