In reply to mostly harmless:
Wanlockhead (Highest village in Scotland) is near the M74. Green Lowther can be accessed easily from the village by radar station road or footpath. It forms part of the Southern upland way, is a Graham peak and a Donald. Great view point and bizarre giant golf ball radar on top. Apparantly they used to bury the village suicide victims on the summit something they seemed to have a lot of.(Not recently)
Its about as obscure as I can think near the 74.