4.5
(2)
13
hikers
03:22
11.8km
280m
Hiking
Hike the moderate 7.3-mile Pig Trail loop in the Cambrian Mountains, featuring Nant-y-Moch Reservoir and Llyn Llygad Rheidol.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
134 m
Highlight • Structure
Tip by
5.50 km
Highlight • Natural Monument
Tip by
11.8 km
End point
Parking
Way Types & Surfaces
Way Types
5.26 km
4.88 km
1.48 km
141 m
Surfaces
3.23 km
3.20 km
2.07 km
1.65 km
1.48 km
134 m
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Elevation
Highest point (510 m)
Lowest point (330 m)
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Weather
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Tuesday 5 May
13°C
6°C
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This route was planned by komoot.
This hike, which loops around Nant-y-Moch Reservoir and Llyn Llygad Rheidol, primarily features varied terrain typical of the Cambrian Mountains. You can expect a mix of open moorland, potentially rocky or boggy sections, and paths alongside the reservoirs. The route is considered moderate in difficulty, so be prepared for some uneven surfaces and ascents.
The Pig Trail is rated as a moderate hike, covering a distance of approximately 11.7 kilometers with around 280 meters of elevation gain. While not overly strenuous, it requires a reasonable level of fitness and appropriate footwear due to the varied terrain. Beginners with some hiking experience should be able to complete it, but those new to hiking might find it challenging.
The Pig Trail hike typically starts and ends near the Nant-y-Moch Reservoir. There is usually parking available in designated areas around the reservoir, though it's always advisable to arrive early during peak seasons to secure a spot.
The route offers stunning views of the Cambrian Mountains landscape. Key highlights include the expansive Nant-y-Moch Reservoir and the picturesque Llyn Llygad Rheidol. You'll experience open moorland, tranquil waters, and the rugged beauty of the Welsh uplands.
Yes, dogs are generally welcome on this trail. However, as the route passes through open access land and potentially near livestock, it is crucial to keep dogs under close control, preferably on a lead, to protect wildlife and farm animals. Always follow the Countryside Code.
No, there are typically no permits or entrance fees required to access the Pig Trail hike or the surrounding public access land in the Cambrian Mountains. However, parking areas may sometimes have a small charge, so it's wise to carry some change or check for payment options beforehand.
The best time to hike this trail is generally from late spring to early autumn (May to October). During these months, the weather is usually milder, and the days are longer. Spring brings vibrant new growth, while autumn offers beautiful colors. Winter hikes are possible but require more experience and preparation due to potentially harsh weather conditions, including strong winds, rain, and even snow.
The Cambrian Mountains are home to various wildlife. Along the Pig Trail, you might spot birds of prey such as red kites or buzzards soaring overhead. Keep an eye out for mountain sheep grazing on the hillsides. The reservoirs also attract various waterfowl. Remember to observe wildlife from a distance and avoid disturbing them.
The Pig Trail hike is approximately 11.7 kilometers long and is estimated to take around 3 hours and 20 minutes to complete. This duration can vary depending on your pace, the number of stops you make for photos or breaks, and the weather conditions.
For this moderate hike, it's recommended to bring sturdy hiking boots, waterproof and windproof layers, sufficient water and snacks, a map or GPS device (like the komoot app), and a first-aid kit. The weather in the Cambrian Mountains can change quickly, so being prepared for all conditions is essential.
Facilities directly at the trailhead near Nant-y-Moch Reservoir are limited. It's advisable to plan accordingly by bringing all necessary supplies. For cafes, pubs, or restrooms, you would likely need to visit nearby towns or villages before or after your hike.