Bryn Arw has two points, the old high point is South and 381m, but the highest point is now the most Northern point and is 385m. There is also a middle point marked by a cairn which is 383m high, however, this is not classed as a hill.
There is a small car park just off the country lane that offers access to footpaths leading up to the Sugar Loaf. Space for maybe 6-8 cars, so get there early if you want to be guaranteed a parking space.
Instead of taking the footpath up the Sugar Loaf you can head down the country lane a short way and pick up some footpaths taking you along the valley until you take a sharp right bringing you to one end of Bryn Arw.
Some of the initial paths are quite muddy, so wear boots rather than trainers on this walk. The walk up Bryn Arw is on a wide, grassy path that is easy to follow. Some sections are fairly steep, but nothing too tough.
The hill has three points, the first you get to on this walk is the highest at 385m, but it is not that photogenic as it is just overgrowth. You then dip down a little bit along the ridgeway and hit the 383m point, which is marked by a decent sized cairn.
You then continue along the ridgeway until the 381m peak, marked by a small pile of rocks, but the most photogenic of the 3 points. Views towards Skirrid are nice, and the Southern valley. On your right is the Sugar Loaf.
This is a really nice ridgeway walk, even in poor weather the views opened up enough for me to know on a good day this would be a really nice walk. I headed down the end of the ridgeway and then turned back on myself, still following nice footpaths back to the road. The footpath has been legally diverted around a nice house, but this is well sign-posted and maintained.
A short walk on the country lane gets you back to the car park. I then walked the Sugar Loaf – which is highly recommended.