
Road · United Kingdom
Stage 4 of 5 · EuroVelo 1 (Wales section)← Stage 3Stage 5 →
A rolling 85 km road cycling route from Swansea to Caerphilly through St Thomas, Baglan and Taibach, with 520 m of climbing. 59% is on cycle paths or roads with a cycle lane. Mixed surface: 85% is mapped as paved and 13% as gravel or unpaved.
Starting in Swansea, the route heads northeast passing through St Thomas, Port Tennant, and Jersey Marine before reaching Briton Ferry and then Baglan. The road surface is mostly paved (85%) with some gravel sections (13%) mainly between km 12 and beyond. The route includes 13 km on minor roads and quiet streets, 4.4 km on main roads (4.8 km of these without cycle lanes) and 50.3 km on cycle paths or lanes, offering a mix of riding environments.
Climbing happens mainly in three moderate sections: a 2.6 km hill from 24.3 km gaining 94 m, a 3.3 km climb from 48.6 km up to 209 m elevation, and a shorter 2.1 km climb from 61.3 km with a gain of 43 m. The highest point is reached near 52 km at 211 m. Along the route are 18 places including towns and villages where food and drink can be found: cafés, pubs, and several supermarkets. After Aberkenfig at 45.8 km there is a longest stretch of 5.8 km without café, shop, or water. Toilets and water points are available at several locations along the way with a water tap at the start.
Refuel options include cafés near the start, at Briton Ferry, and at Caerphilly finish, plus multiple supermarkets and petrol stations punctuate the path. Bailout points at stations and ferry are available including Baglan, Port Talbot Parkway, Tondu, and Pontyclun. This route travels under Warren Hill near km 10, past Margam Abbey near 25 km, and finishes close to Caerphilly Castle.
| Climb | Starts at | On this ride | Top on this ride |
|---|---|---|---|
| Unnamed climb | 24.3 km | 2.6 km · 94 m · 3.6 % · max 5 % | 105 m |
| Unnamed climb | 48.6 km | 3.3 km · 86 m · 2.7 % · max 5.1 % | 209 m |
| Unnamed climb | 61.3 km | 2.1 km · 43 m · 2.1 % · max 3 % | 97 m |
Much of the route is separated from traffic: 59% is on cycle paths or roads with a cycle lane.
No stretch is longer than 15 km without a café, shop or water. Along the route: 207 cafés and restaurants, 53 shops, 13 water points, 11 petrol stations, 8 public toilets and 6 bike shops.