About John Sumner
Lived 1936 – 2004 (aged 67–68). John Sumner was a mountaineer.
Sumner dominated climbing in Mid Wales, including routes on the waterfalls of Maesglase.
John (Fritz) Sumner (17 March 1935, in Didsbury – 2004) was the pre-eminent exploratory climber in his chosen domain of Mid Wales, climbing cutting-edge routes on the remote crags and cliff-faces south of southern Snowdonia starting in the mid-1950s.
Books John A Sumner (1973). Central Wales. West Col. p.153. SBN 901516 69 4. John A Sumner (1975). Dolgellau Area. West Col. p.139. SBN 901516 99 6. J. A. Sumner (1980). Aran Cader Idris Climbers' Guide Supplement. West Col. p. 64. SBN 906227 09 7
Martin Crocker, John Sumner, et al. (2002). Meirionnydd. Climbers Club. p. 512
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Important facts
People in John Sumner's life
Named in this biography and alive at the same time
Related people
Same field, nearest in time
Contemporaries
People whose lives overlapped John Sumner's
Frequently asked questions
Who was John Sumner?
British climbing
When was John Sumner born?
John Sumner was born on 13 March 1936.
When did John Sumner die?
John Sumner died in 2004.
What was John Sumner's occupation?
John Sumner was a mountaineer.
Sources & further reading
· DBpedia: John Sumner (climber)
Cite this page
APA: Biography.guide. (2026). John Sumner. https://biography.guide/john-sumner-mountaineer/
MLA: "John Sumner." Biography.guide, https://biography.guide/john-sumner-mountaineer/.
Chicago: "John Sumner." Biography.guide. https://biography.guide/john-sumner-mountaineer/.
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