Derwentwater, or Derwent Water, is one of the principal bodies of water in the Lake District National Park in north west England. It lies wholly within the Borough of Allerdale, in the county of Cumbria. The lake occupies part of Borrowdale and lies immediately south of the town of Keswick.

Overlooking picturesque Lake Derwentwater, the 4-star Lodore Falls Hotel & Spa is set in 40 acres of tranquil land with a waterfall and a lakeshore.