Derwentwater

Address: Portinscale, Keswick, CA12 5RF

History of Derwentwater

Derwentwater is a glacial lake on the edge of Keswick in the Lake District, known for its calm waters, wooded shorelines, and dramatic mountain backdrop. About three miles long, it sits between the steep green valley of Borrowdaleto the south and the lively market town of Keswick to the north, with fells such as Catbells rising sharply above its western shore. The lake is dotted with small islands, including St Herbert’s Island and Derwent Island, which add to its postcard‑ready scenery. Visitors often explore the area by walking the lakeshore path, climbing nearby fells, or taking the Keswick Launch boats that stop at jetties around the water. With its blend of peaceful bays, wildlife, and iconic viewpoints like Friar’s Crag, Derwentwater is widely regarded as one of the most beautiful and accessible lakes in Cumbria.


Timeline of Key Events

  • 10,000 years ago – Glacial formation: Around 10,000 years ago, Derwentwater formed at the end of the last Ice Age as glaciers carved out the Borrowdale valley.
  • Prehistoric – Early settlement: Prehistoric communities began using the surrounding fells and valleys; evidence of early farming and tool use appears across Borrowdale.
  • 7th century – St Herbert’s hermitage: St Herbert lived as a hermit on the lake’s largest island, later becoming a site of Christian pilgrimage.
  • Medieval land ownership: The lake and surrounding estates were controlled by local lords, including the powerful Radcliffe family.
  • 18th century – Derwent Island House: A grand villa was built on Derwent Island, later becoming a notable landmark still owned by the National Trust.
  • 1700s-1800s – Romantic poets era: Writers like Wordsworth and Ruskin celebrated Derwentwater’s scenery, helping establish the Lake District’s cultural identity.
  • 19th century – Keswick tourism growth: Keswick expanded as a tourist town, with boat services and walking routes developing around the lake.
  • 20th century – National Trust involvement: The Trust acquired key sites including Derwent Island and Friar’s Crag, protecting the landscape for public access.
  • Mid-late 20th century – Keswick Launch modernisation: The iconic wooden launch boats became a staple of Derwentwater tourism.
  • 2015 – Storm Desmond impact: Severe flooding affected Keswick and the Derwentwater shoreline, prompting major restoration work.
  • Present day conservation: Ongoing efforts continue to protect wildlife, maintain footpaths, and manage visitor impact in one of Cumbria’s most visited landscapes.

Visitor Information

Opening Times

  • Keswick Launch — Boats usually run daily from around 9:30am–4:30pm, with extended hours in summer; weather can affect service.
  • Derwent Island House — Open only on select National Trust open days, typically a handful of dates between April and September.
  • Friar’s Crag access — Open all day, year‑round; it’s a public viewpoint with no closing time.
  • Catbells walking routes — Open 24/7; it’s a public fell with unrestricted access.
  • Borrowdale attractions — Most valley paths and viewpoints are always open, though cafés and activity centres vary by season.
  • Keswick town facilities — Shops typically open 9am–5pm, with later hours in summer; restaurants vary widely.

Tickets & Pricing

  • Keswick Launch tickets — Standard lake cruises are usually £10–£15 per adult, £5–£8 per child, with hop‑on hop‑off day tickets costing slightly more; short single‑stop fares are cheaper.
  • Rowing boat & kayak hire — Typical prices range from £15–£25 per hour depending on boat type (rowing boat, canoe, kayak, paddleboard).
  • Derwent Island House entry — National Trust open‑day tickets are usually £10–£15 per adult; free for NT members.
  • Parking around Keswick foreshore — Expect £3–£5 for short stays and £7–£10 for full‑day parking, depending on the car park.
  • Theatre by the Lake — Performances typically range from £12–£30 depending on show and seating.
  • Borrowdale activity centres — Outdoor activities (canoeing, climbing, ghyll scrambling) often cost £40–£60 per person for half‑day sessions.

Top Things To Do

  • Take a Keswick Launch cruise — Enjoy a full circuit of the lake or hop on/off at jetties for walks and viewpoints.
  • Walk to Friar’s Crag — A short, easy stroll from Keswick with one of the best panoramic viewpoints in the Lake District.
  • Climb Catbells — A family‑friendly fell offering iconic views over Derwentwater and Borrowdale.
  • Hire a rowing boat or kayak — Explore the lake at your own pace and get close to the islands.
  • Visit Derwent Island House — Open only on select National Trust days; a unique Georgian villa on its own island.
  • Walk the full lakeshore circuit — An 8‑mile loop with woodland, bays, bridges, and varied scenery.
  • Explore Borrowdale Valley — Dramatic glacial landscapes, rivers, and classic Lakeland villages.
  • See Lodore Falls — A steep cascade in a hanging valley formed by ancient glacial erosion.
  • Enjoy Theatre by the Lake — Lakeside performances with stunning views before and after the show.
  • Photography at sunset — Calm water, reflections, and silhouetted fells make Derwentwater a favourite for photographers.

Films Shot at Derwentwater