Sur le Fil | 8B+ Boulder problem at Wassen

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Switzerland / Uri

8a.nu | thecrag.com

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remus

47 contributions since 15th September 2026.

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Ascents

4 successful ascents recorded.

	Climber	Style	Ascent Date	Suggested Grade
	Fred Nicole	Boulder \| worked	2003
	First ascent.
	References [1] https://www.ukclimbing.com/news/2012/11/sur_le_fil_8b+_by_dai_koyamada-67587
	Dave Graham	Boulder \| worked	30th Sep 2003
	Dai Koyamada	Boulder \| worked	Before 6th Nov 2012
	References [1] https://www.ukclimbing.com/news/2012/11/sur_le_fil_8b+_by_dai_koyamada-67587
	Guntram Jörg	Boulder \| worked	Before 6th Nov 2012