180
runners
01:43
14.3km
290m
Running
The Beast of Brenin Trail is a moderate jogging route spanning 8.9 miles (14.3 km) with a challenging 961 feet (293 metres) of elevation gain, typically taking 1 hour and 43 minutes. You will navigate highly varied and technical terrain, including loose rocky climbs, gnarly descents, and sections featuring rock-drops…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
Parking
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6.42 km
Highlight • Rest Area
Tip by
6.97 km
Highlight • Bridge
Tip by
14.1 km
Highlight • Parking
Translated by Google •
Tip by
14.3 km
End point
Parking
Way Types & Surfaces
Way Types
7.90 km
4.64 km
1.36 km
327 m
Surfaces
4.74 km
2.68 km
2.61 km
2.11 km
1.68 km
405 m
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Elevation
Highest point (230 m)
Lowest point (90 m)
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Weather
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Wednesday 6 May
13°C
6°C
36 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
No, the Beast of Brenin Trail is primarily designed as a challenging mountain biking route and is not recommended for jogging. Its extreme technical difficulty, significant climbs, and varied terrain make it exceptionally challenging and potentially dangerous for runners. While the Komoot tour data might categorize it for jogging, this specific trail is best experienced on a mountain bike.
The terrain is highly varied and technical. You would encounter loose rocky climbs, gnarly descents, rock-drops, steps, and stone pitches. Sections can be 'pretty slippery' when wet. There are also sections of fire road, which can be long and steep, alongside fast-flowing singletrack with technical features.
The main access point for trails at Coed y Brenin, including the Beast of Brenin, is the Coed y Brenin Visitor Centre. Parking facilities are available there.
There are no specific permits or entrance fees required to access the Beast of Brenin Trail itself or to enter Snowdonia National Park. However, parking at the Coed y Brenin Visitor Centre typically requires a fee.
The trail can be ridden year-round, but conditions vary significantly. Spring and autumn offer pleasant temperatures and vibrant scenery. Summer can be busy but generally dry. Winter can bring challenging conditions, with sections becoming very slippery and potentially icy. Always check local weather forecasts before heading out.
While Coed y Brenin generally welcomes dogs, specific rules may apply to certain trails, especially given the technical nature of the Beast of Brenin. If you plan to bring a dog, ensure it is well-behaved, on a leash, and capable of handling extremely challenging terrain. It's always best to check the latest guidelines from the Coed y Brenin Visitor Centre.
The trail offers epic views of the Southern Snowdonia mountains. You'll pass through tranquil forest sections, particularly among majestic tall Douglas firs, and encounter rock-strewn slopes, showcasing the beauty of the Welsh landscape.
Yes, the route intersects with and shares sections of several other trails within Coed y Brenin, including the MBR, Temtiwr, Minor Taur, Cyflym Coch, Tarw, Buwch Bren, and the Pink Heifer. It also briefly crosses the National Cycle Network National Route 82.
Yes, the Coed y Brenin Visitor Centre offers various facilities, including a cafe, bike shop, and restrooms. For accommodation, Mostyn Cottage B&B and Self-Catering Cabins are nearby.
It's considered Coed y Brenin's longest and most demanding route, renowned for its comprehensive mix of features: monster climbs, bone-rattling descents, fast-flowing singletrack, rock-drops, steps, and stone pitch. It's a 'must-do' for many expert mountain bikers in the UK, designed to test both nerve and physical ability.
Beyond the challenging terrain, you'll cross the Bridge Over the Afon Mawddach. Keep an eye out for sections like the 'Pink Heifer, Big Doug combo' which offers over 4 kilometers of continuous singletrack through stunning firs.