|From:||Kilvrough, near Pennard (SS565895)|
|To:||Sketty Green, Swansea (SS622923)|
|Distance:||5.8 miles (9.3 km)|
|Meets:||A4118, A4067, A4216|
|Old route now:||A4216|
|Route outline (key)|
The B4436 is a winding B-road in Gower, West Glamorgan. It was originally unclassified but gained its number in the mid-1920s.
The route starts (number unmarked) on the A4118 at Kilvrough and first heads south, notwithstanding the fact that the other end of the road is northeast of here. The road soon enters Pennard and narrows slightly to pass a row of houses before the central line comes back in time for us to reach a T-junction where we must turn left to continue, the number now signed.
Now heading in the right direction the road passes through Kittle, then passes north of Bishopston before returning to open country for a mile or so as it crosses the bleak Clyne Common. A turning to the right, for Murton and Caswell, is the last junction at which the number B4436 is posted.
Entering Mayals, technically a suburb of Swansea, we follow the residential Mayals Road past Clyne Gardens on the left to reach part-time traffic lights at Black Pill on the A4067 Mumbles Road. We must turn left here, the A-road – which follows the curve of Swansea Bay, to our right – taking over our route for 500 metres before, having crossed the inconspicuous Clyne River, the (still unsigned) B4436 resumes its course at a left turn next to a car park serving the Clyne Valley Country Park.
We head briefly west, then turn sharp right to continue northward along Derwen Fawr Road. The road becomes very narrow for 150 metres, and has not been widened despite the fact that this stretch is flanked on the right by a very new housing development. We are now in Lower Sketty, a rather well-to-do neighbourhood. The road narrows again to squeeze pass the Bible College and then continues through more of the leafy suburb before ending at a mini-roundabout on the A4216 at Sketty Green.
Originally the B4436 bore left here and continued for another two miles to a terminus on the B4295 by Cockett railway station (closed in 1964). This final part of the original route now makes up more than three quarters of the itinerary of today's A4216.