Craig Cerrig-gleisiad & Fan Frynych Nature Reserve loop
Craig Cerrig-gleisiad & Fan Frynych Nature Reserve loop
4.6
(25)
114
hikers
01:40
4.49km
290m
Hiking
Embark on an easy hike through the Craig Cerrig-gleisiad & Fan Frynych Nature Reserve, where you will discover a dramatic glacial landscape. This route features steep-sided crags and an amphitheatre-shaped valley, giving it an alpine feel. As you hike, you can enjoy panoramic views across the Brecon Beacons, with clear sightlines to Pen y Fan. The trail is a 2.8 miles (4.5 km) loop, involving a climb of 959 feet (292 metres), and typically takes around 1 hours and 39 minutes to complete. You can also reach the Fan Frynych Trig Point for even more expansive vistas.
Accessing the Craig Cerrig-gleisiad & Fan Frynych Nature Reserve loop is straightforward, as it is conveniently located just off the A470. For your comfort and safety, sturdy, grippy, and waterproof boots are highly recommended. The terrain can be wet and uneven underfoot, so proper footwear will make a big difference. It is also wise to have some navigational skills, especially if you encounter poor visibility during your hike.
This nature reserve is particularly notable for its unique natural environment. It is home to rare Arctic-alpine plants, which thrive in the specific conditions of this glacial valley. You will also find diverse wildlife throughout the area, making it a great spot for nature observation. The distinct geology and ecosystem set this trail apart within the Bannau Brycheiniog (Brecon Beacons) National Park.
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
7 m
Highlight • Trail
Tip by
1.90 km
Highlight • Viewpoint
Tip by
2.69 km
Highlight • Trail
Tip by
3.12 km
Highlight • Natural Monument
Tip by
4.49 km
End point
Parking
Way Types & Surfaces
Way Types
4.46 km
< 100 m
< 100 m
Surfaces
4.48 km
< 100 m
Sign up to see more specific route details
Sign up for free
Elevation
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Wednesday 20 May
19°C
11°C
22 %
Additional weather tips
Max wind speed: 18.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
This loop trail is generally considered of moderate difficulty. While some sections might be easier, the overall route requires good fitness due to steep elevations, rocky terrain, and potential scrambling. Expect uneven and sometimes boggy paths, especially in wet conditions.
A typical loop on this trail can take between 2 to 3 hours to complete, depending on your pace and how often you stop to enjoy the views.
The reserve is conveniently located just off the A470, making it relatively easy to access. Parking is usually available near the entrance to the reserve, which serves as the trailhead.
The terrain is largely rugged and mountainous, featuring steep-sided crags, sharp escarpments, and a glacial cwm. You'll encounter uneven and rocky paths, significant uphill climbs, and potentially boggy or muddy sections, particularly in wetter weather. Sturdy, grippy, and waterproof boots are highly recommended.
You'll experience a dramatic glacial landscape with an impressive amphitheatre-shaped valley and towering crags. Key highlights include the Craig Cerrig Gleisiad National Nature Reserve Entrance, the Fan Frynych Trig Point offering panoramic views, and the striking Craig Cerrig Gleisiad itself. You'll also get expansive views of surrounding mountains like Pen y Fan.
The reserve is a haven for biodiversity. Look out for rare Arctic-alpine plants like purple saxifrage and roseroot, along with orchids, heather, and bilberry. The crags provide habitat for birds such as peregrine falcons, ring ouzels, ravens, and redstarts, as well as numerous butterfly species.
The trail offers rewards year-round, but spring and summer bring vibrant plant life and generally more stable weather. Autumn provides beautiful colours. Be prepared for potentially boggy conditions and colder weather in winter, requiring appropriate gear and navigational skills.
Yes, dogs are generally allowed on the trails within the nature reserve. However, as it's a nature reserve with sensitive wildlife and grazing livestock, it's crucial to keep dogs under close control, preferably on a leash, to protect the environment and other animals.
No, there are typically no permits required or entrance fees to access the Craig Cerrig-gleisiad & Fan Frynych Nature Reserve. It is freely accessible to the public.
One of the notable aspects of this trail is that it offers equally spectacular views as more popular routes like Pen y Fan, but with significantly fewer crowds. This provides a more serene and solitary hiking experience, especially compared to other parts of the Brecon Beacons.
Yes, sections of this route overlap with other well-known paths. Approximately 32% of the trail follows the Beacons Way, and a smaller portion (3%) is part of the South Wales Traverse.
When hiking in Bannau Brycheiniog National Park, it's important to follow the Countryside Code. This includes sticking to marked paths, taking all litter home, keeping dogs under control, and respecting wildlife and livestock. There are no specific permits required for general hiking.