{{Short description|River in Cumbria, England}} {{Unreferenced|date=April 2026}} {{Use dmy dates|date=April 2022}} [[File:Galleny Force 2.JPG|thumb|right|160px|Galleny Force on Stonethwaite Beck]] '''Stonethwaite Beck''' is a minor [[river]] in [[Cumbria]], [[England]]. It is a [[tributary]] of the [[River Derwent, Cumbria|River Derwent]].

Stonethwaite Beck is formed at the confluence of '''Langstrath Beck''' and '''Greenup Gill''' beneath [[Eagle Crag]], at ''Smithymire Island''. It continues north west and north through Galleny Force, past the [[village]]s of [[Stonethwaite]] and [[Rosthwaite, Borrowdale, Cumbria|Rosthwaite]], flowing into the Derwent in [[Borrowdale]].

{{coord|54.5282|-3.1555|type:river_region:GB-CMA|display=title}}

{{authority control}}

[[Category:Rivers of Cumbria]] [[Category:Cumberland (unitary authority)]] [[Category:Derwent (Cumbria) catchment|1Stonethwaite]] [[Category:Beck watercourses]]

{{Cumberland-geo-stub}} {{England-river-stub}}