This National Byway route in southwest Scotland stretches over 347 km across five stages, beginning in Harelaw and finishing in Alloway. The total ascent is 2,909 m, with each stage varying in distance and climbing challenges.
Stage 1 runs 109.8 km from Harelaw to Dumfries. It features several moderate climbs early on, the longest being 2.6 km at an average gradient of 2.9%, and reaches a height of 232 m. There are 22 water or food stops available.
Stage 2 covers 66.1 km from Dumfries to Moniaive and includes multiple climbs with a maximum gradient peak of 10%. This stage totals 601 m of elevation gain and also offers 22 food or water stops along the way.
Stage 3 is shorter at 54.7 km between Moniaive and Newton Stewart, with 533 m of climbing. It includes two longer climbs of approximately 5 km each, reaching a top height of 324 m. There are 4 food or water stops on this stage.
Stage 4 stretches 80.1 km from Minnigaff to Girvan, climbing 705 m, with the highest point at 391 m. It contains several climbs ranging from 2.1 to 5.3 km in length. Riders can find 6 water or food stops during this stage.
The final stage is the shortest at 36.5 km from Girvan to Alloway, with 376 m of elevation gain. It has four climbs with gradients up to 4.5% over 2.3 km, reaching a top height of 203 m. This stage provides 10 water or food stops.
There are no recorded temperatures or specific months for riding. All stages take place entirely within Great Britain without crossing any borders. Water and food stops are consistent, with fewer options in stage 3. The terrain varies from rolling climbs to moderately hilly sections.
