Pen y Fan and Corn Du Circular Walk

This walk is generally considered moderate to strenuous. While accessible, it involves a moderate climb with steep sections, especially near the summits of Pen y Fan and Corn Du summit. Hikers should have a moderate fitness level, and the final push to Pen y Fan includes a long, steep gravel path with a short scramble. Weather conditions can significantly increase the difficulty.

The full circular walk, covering approximately 13 km (8 miles), typically takes around 4 to 5 hours to complete, depending on your pace and how long you spend enjoying the views from the summits.

The trail features a mixture of flat and rocky terrain, primarily on well-made upland footpaths. While generally well-trodden, some sections can be rugged, and there are steep pitches and potential cliff drops. Proper hiking boots are highly recommended, especially after rain.

You'll be treated to truly spectacular, wide-open, and far-reaching views. From the summits of Pen y Fan and Corn Du summit, you can see across the Black Mountains, the Bristol Channel, and the Cambrian mountains. You'll also pass by Beacons Reservoir and the Rhiw yr Ysgyfarnog Escarpment.

The trail can be hiked year-round, but the late spring to early autumn (May to October) generally offers the most favorable weather conditions. During these months, you're more likely to experience clear views and milder temperatures. Winter hiking is possible but requires appropriate gear and experience due to potential snow, ice, and rapidly changing mountain weather.

Yes, dogs are generally welcome on the trail. However, it's essential to keep them on a lead, especially during lambing season (spring) and near livestock, to protect both your dog and local wildlife. Be prepared to carry out any waste.

No, there are no specific permits or entrance fees required to hike the Pen y Fan and Corn Du Circular Walk. It is located within the Bannau Brycheiniog National Park, which is free to access. However, parking at popular trailheads may incur a fee.

The most common starting points with parking are the Pont ar Daf car park or the Storey Arms car park, both located off the A470. These can get very busy, especially on weekends and holidays, so arriving early is advisable.

Given the mountain environment, it's crucial to wear sturdy hiking boots and dress in layers, as weather can change rapidly. Always carry waterproof clothing, a map and compass (or GPS device), plenty of water, snacks, and a fully charged phone. Sun protection is also recommended on clear days.

Yes, the route intersects with several other well-known paths. Sections of this circular walk overlap with the Beacons Way, the Taff Trail, the Cambrian Way, and the South Wales Traverse, offering opportunities for longer adventures if desired.

When hiking in Bannau Brycheiniog National Park, please follow the Countryside Code. This includes sticking to marked paths, keeping dogs on leads, taking all litter home, and respecting wildlife and livestock. Wild camping is generally not permitted without landowner permission.