This route (clockwise) features in lots of guides and mags. The reservoirs are certainly scenic, but actually all the descents are fast rather than technical. The only exception is one rock section on the descent to the Garreg-ddu Reservoir which is steep and awkward and we couldn't ride it (no please in some folks.....) Also worth noting the tricky navigation. On the tops the trails are indistinct and there are other, unmarked trails. Even with a 1:25000 map we still went wrong a couple of times. A GPS might be useful! Camping is possible at the Red kite feeding centre form where it is easy to wlak into Rhayader.
Rating: 2, "Worth a ride if you are in the area".
Added: 2015-07-21 , Last updated: 2015-07-21