4.5
(15)
890
riders
16
rides
Road cycling around Tywi Forest offers a diverse landscape characterized by vast conifer forests, river valleys, and significant elevation changes. The region features hills rising to over 500 meters, with an average elevation of 400-450 meters, providing expansive views. The Tywi Valley, through which the River Tywi flows, is known for its scenic beauty and quiet lanes, making it suitable for no traffic road cycling routes. This area provides a mix of challenging climbs and more moderate paths across its…
Last updated: May 26, 2026
5.0
(1)
22
riders
68.9km
04:16
1,320m
1,320m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
10
riders
44.6km
03:11
750m
750m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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9
riders
36.3km
02:30
880m
880m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
11
riders
3.82km
00:20
160m
160m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5
riders
25.4km
01:50
670m
670m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Confronting the Devil's Staircase northbound from near Llyn Brianne reservoir is tackling one of Wales's most infamous climbs, famed for its savage steepness and remote beauty. Prepare for an immediate, brutal ascent as the narrow single-track road rears up, averaging a punishing 10-13% but hitting steep ramps well over 20%, reportedly reaching 25-30%. Feel the wild exposure of the Cambrian Mountains, with stunningly remote views as your reward for conquering this truly devilish challenge.
1
0
It was a truly stunning spot to take in the scenery from this elevated panoramic viewpoint. Highly recommended.
0
0
It's a truly stunning ride valley mountain road and not to be missed if you are in the area.
0
0
A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.
0
0
Devil’s Staircase is a climb for mountain bike type gears and an advantage for those that can ride out of the saddle .My attempts have failed miserably,best of luck.
2
0
What an beautiful valley and with many great swimming spots its my favourite
1
0
There are currently 16 dedicated no-traffic road cycling routes around Tywi Forest listed in this guide. These range from easy, short loops to more challenging, longer rides, ensuring options for various skill levels.
Yes, Tywi Forest offers several easier, traffic-free options. For a shorter, less strenuous ride, consider the Roadbike loop from Cefn Coch, which is just under 4 km with moderate elevation. The region's quiet country lanes and dedicated paths, like sections of the Tywi Valley Path, are generally suitable for a more relaxed pace.
For experienced cyclists seeking a challenge, Tywi Forest delivers. The The Towy Bridge Inn – Llyn Brianne Dam loop from Cefn Fannog is a demanding route covering nearly 69 km with over 1300 meters of elevation gain. Another significant challenge in the wider area is the notorious Devil's Staircase near Abergwesyn, known for its steep gradients.
Many of the no-traffic road cycling routes in Tywi Forest are designed as circular loops, allowing you to start and finish at the same point. Examples include the Abergwesyn Pass – Abergwesyn Valley loop from Nant yr Hwch and the Bwlch Easgair Gelli Climb – Craig-y-Fintan loop from Nant-ystalwyn, providing varied scenery without retracing your steps.
The no-traffic routes in Tywi Forest offer stunning natural beauty. You'll cycle through vast conifer forests, alongside the scenic River Tywi, and past impressive features like the Llyn Brianne Reservoir. Many routes provide expansive vistas from hills rising over 500m. Don't miss the View of Strata Florida for a memorable stop.
Yes, the region is rich in both natural and historical interest. While cycling, you might encounter remnants of post-Medieval settlements or Bronze Age ritual sites. The challenging Devil's Staircase Climb (Abergwesyn) is a well-known landmark for cyclists. The wider Tywi Valley also features historic defensive sites like Iron Age hillforts and medieval castles such as Dinefwr Castle.
The no-traffic road cycling routes in Tywi Forest are highly regarded by the komoot community, with an average rating of 4.5 out of 5 stars from 15 reviews. Cyclists frequently praise the quiet, traffic-free nature of the lanes, the challenging climbs, and the breathtaking scenery, especially around the Llyn Brianne Reservoir.
Spring and autumn generally offer the most pleasant conditions for traffic-free road cycling in Tywi Forest, with milder temperatures and beautiful seasonal foliage. Summer can also be excellent, though routes might be busier. Winter cycling is possible but requires careful consideration of weather, as conditions can be challenging with potential for ice and snow at higher elevations.
Yes, many of the routes in Tywi Forest have convenient parking access. For example, the Llyn Brianne Reservoir area, a popular starting point for several loops, offers various car parks like Fannog and Carreg Clochdy, which are also great spots for photography or picnics.
While Tywi Forest is a remote area, some larger towns in the vicinity, such as Carmarthen and Llandeilo, are accessible by public transport. The recently completed Tywi Valley Path, which offers traffic-free sections, connects these towns. However, reaching the more secluded starting points within the forest itself might require personal transport.
Given the remote nature of Tywi Forest, dedicated cafes directly on the most traffic-free routes are limited. It's advisable to carry sufficient water and snacks. However, some routes may pass through or near small villages where local pubs or shops might offer refreshments. Planning your route with potential stops in mind is recommended.


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