|To:||Whitney on Wye (SO259475)|
|Via:||Hay on Wye|
|Distance:||11.5 miles (18.5 km)|
|Meets:||A470, A438, B4348, B4351, A438|
|Old route now:||A438|
|Route outline (key)|
The B4350 is a largely rural B-road on the English/Welsh border.
It starts on the A470 north of Llyswen, from where it heads eastwards, crossing the River Wye almost immediately via Boughrood Bridge. It follows the river valley downstream, going through Boughrood Brest and Cwmbach before we reach a T-junction with the A438 at Glasbury and turn right, using the main road's Glasbury Bridge to return to the right bank of the Wye.
The A438 TOTSOs right at the eastern end of the bridge, while we turn left to continue down the valley to Hay-on-Wye, where our route meets the B4348 and B4351. Upon crossing Dulas Brook, an inconspicuous stream on the northern edge of the town, the B4350 enters England.
After continuing through Clifford our route returns to the banks of the Wye for a third and final crossing of the river, this time via the Whitney Toll Bridge, with its wooden road surface, 5 mph speed limit, and lights to control the flow of traffic. The B4350 ends some 50 m beyond the toll house, at the northern end of the bridge, where it meets the A438 again, at a T-junction just to the west of Whitney-on-Wye.
In 1935, the B4350 was extended west to Llyswen, giving it a spur in Glasbury. The roads between Glasbury and Whitney swapped numbers in the 1960s so that A-road traffic could avoid the toll bridge and the narrow streets of Hay.