Near the village of Rosthwaite is the Bowder Stone, a giant lump of rock left behind by glacial ice that receded at a very slow pace.
Glacial movement leaves rocks everywhere. 
mnli hypothesis: Glacial movement leaves rocks everywhere.  premise: Near the village of Rosthwaite is the Bowder Stone, a giant lump of rock left behind by glacial ice that receded at a very slow pace.