The fourth, and final, one of our summer social runs is to be held at Dyfnant Forest.  If you've not been, there are some lovely trails of varying distances and of various surfaces and inclines - a great place to explore.  We'll be covering about 4 miles on our social run on a route suitable for all abilities. To get there Welshpool to Mallwyd road and turn right after Llangadfan (B4395 signposted Lake Vyrnwy).  Look out for the sign for…