Mount Tinniswood

Last updated
Mount Tinniswood
Mt. Tinniswood from Mt. John Clarke.jpg
Southeast aspect, centered at top
Highest point
Elevation 2,606 m (8,550 ft) [1]
Prominence 1,016 m (3,333 ft) [1]
Parent peak Mount Boardman (2,671 m) [2]
Isolation 9.6 km (6.0 mi) [2]
Listing Mountains of British Columbia
Coordinates 50°18′49″N123°50′22″W / 50.31361°N 123.83944°W / 50.31361; -123.83944 [3]
Naming
Etymology William Tinniswood Dalton
Geography
Canada British Columbia relief location map.jpg
Red triangle with thick white border.svg
Mount Tinniswood
Location in British Columbia
Canada relief map 2.svg
Red triangle with thick white border.svg
Mount Tinniswood
Location in Canada
Mount Tinniswood
Interactive map of Mount Tinniswood
Location British Columbia, Canada
District Lillooet Land District
Parent range Coast Mountains
Topo map NTS 92J5 Clendinning Creek [3]
Climbing
First ascent 1941 (Dalton, Easthope)

Mount Tinniswood is a 2,606-metre (8,550-foot) mountain summit located in British Columbia, Canada. [1]

Contents

Description

Mount Tinniswood is a glaciated peak situated near Mount Albert at the head of Queens Reach of Jervis Inlet in the Coast Mountains, in a remote wilderness area that few visit. Mount Tinniswood is set 130 km (81 mi) north-northwest of Vancouver and 154 km (96 mi) southeast of Mount Waddington, the highest peak of the entire Coast Mountains range. Precipitation runoff and glacier meltwater from Mount Tinniswood drains to Jervis Inlet via Hunaechin Creek, and to Howe Sound via Sims Creek → Elaho River → Squamish River. Topographic relief is significant as the summit rises 2,360 meters (7,740 feet) above Hunaechin Creek in six kilometers (3.7 miles).

History

W.T. Dalton William Tinniswood Dalton in mountain climbing gear.jpg
W.T. Dalton

The first ascent of the summit was made by Arthur Tinniswood Dalton and Percy Williams Easthope in 1941. [4]

The mountain was named by Arthur Tinniswood Dalton and Percy Easthope to honor Arthur's father, William Tinniswood Dalton (1854–1931). [5] Born in England and trained as a church architect in London, he designed many buildings in Vancouver after moving there from Winnipeg in 1889. He was an avid mountaineer and a member of the party credited with the first ascent of Mount Garibaldi in 1907. [6]

The landform's toponym has been officially adopted by the Geographical Names Board of Canada. [3]

Climate

Based on the Köppen climate classification, Mount Tinniswood is located in a marine west coast climate zone of western North America. [7] Most weather fronts originate in the Pacific Ocean, and travel east toward the Coast Mountains where they are forced upward by the range (Orographic lift), causing them to drop their moisture in the form of rain or snowfall. As a result, the Coast Mountains experience high precipitation, especially during the winter months in the form of snowfall. Temperatures can drop below −20 °C with wind chill factors  below −30 °C. This climate supports the Tinniswood Glacier on the northwest slope. [8]

See also

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References

  1. 1 2 3 "Mount Tinniswood, British Columbia". Peakbagger.com. Retrieved 2022-12-04.
  2. 1 2 "Mount Tinniswood, Peakvisor.com" . Retrieved 2022-12-04.
  3. 1 2 3 "Mount Tinniswood". Geographical Names Data Base . Natural Resources Canada . Retrieved 2022-12-04.
  4. ↑ Dick Culbert (1969), A Climber's Guide to the Coastal Ranges of British Columbia, Alpine Club of Canada, p. 161.
  5. ↑ "Mount Tinniswood". BC Geographical Names . Retrieved 2022-12-04.
  6. ↑ G. P. V. Akrigg, Helen B. Akrigg (1997), 1001 British Columbia Place Names, Discovery Press, p. 268.
  7. ↑ Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11. ISSN   1027-5606.
  8. ↑ "Tinniswood Glacier". BC Geographical Names . Retrieved 2022-12-04.
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