Llyn Clywedog loop from Llanidloes
Llyn Clywedog loop from Llanidloes
2.0
(1)
15
riders
02:10
31.7km
510m
Cycling
Embark on a challenging touring bicycle ride around the Llyn Clywedog loop, starting from Llanidloes. This route covers 19.7 miles (31.7 km) and features a significant elevation gain of 1681 feet (512 metres), making it a difficult journey that takes approximately 2 hours and 10 minutes to complete. As you…
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
254 m
Highlight • Rest Area
Tip by
10.8 km
Highlight • Trail
Tip by
25.5 km
Highlight • Lake
Tip by
31.7 km
End point
Parking
Way Types & Surfaces
Way Types
31.1 km
485 m
< 100 m
< 100 m
Surfaces
17.2 km
13.9 km
485 m
131 m
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (400 m)
Lowest point (170 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Monday 25 May
29°C
15°C
17 %
Additional weather tips
Max wind speed: 10.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
This route is classified as difficult and requires good to very good fitness levels. It features significant elevation gains, including a gentle but long initial climb, undulating terrain, and two steep climbs near Llyn Clywedog. Some sections may be unpaved and difficult, potentially requiring you to push your bike.
The terrain is diverse, with a mix of mostly paved surfaces, quiet roads (around 43%), and general roads (around 19%). Be prepared for some unpaved sections and sharp, winding climbs, especially out of the Severn Valley and around the Bryntail lead mine area. The road around the lake itself closely follows the contours, offering a continuously varied ride.
The loop offers exceptional scenery, including the beautiful Welsh hills, the expansive Hafren Forest, and the striking Llyn Clywedog reservoir. You'll enjoy views of the Upper Severn Valley and the picturesque town bridge area of Llanidloes. Don't miss the chance to see the Hafren Forest Waterfall.
Yes, there are several. You can find viewpoints overlooking the Llyn Clywedog Dam, offering great photo opportunities. A diversion to the deserted 19th-century Bryntail lead mine buildings is also recommended. For nature lovers, there's a chance to spot ospreys from a dedicated viewing hide near Hafren Forest between April and August.
Llanidloes serves as the starting point for this loop. While specific parking locations aren't detailed, you should look for public parking options within the town of Llanidloes to begin your ride.
Given its classification as 'difficult' with significant climbs and varied terrain, this loop is generally not recommended for families with young children or beginner cyclists. It demands good to very good fitness levels and experience with challenging ascents.
The route can be enjoyed in most seasons, but for the best experience, consider cycling between April and August when you might also spot ospreys from a dedicated viewing hide near Hafren Forest. Always check local weather conditions before you go, as Welsh weather can be unpredictable.
Based on available information, there are no specific permits or entrance fees required to cycle the Llyn Clywedog loop from Llanidloes, as it primarily uses public roads and trails.
While the route largely follows public roads and trails where dogs are generally permitted, it's always best to keep dogs on a leash, especially near livestock or in sensitive wildlife areas like Hafren Forest. Be mindful of the challenging terrain and distance if bringing a dog.
Yes, the route intersects with several other notable trails. You will find sections that overlap with the EuroVelo 2 - Capitals Route - part United Kingdom 2, Lôn Las Cymru (Central), Severn Way (1) Source to Shrewsbury, Trans Cambrian Way, and Glyndŵr's Way.
Yes, Llanidloes is home to Llani Bikes, which can be a convenient stop for any cycling needs before or after your ride.