The first route to breach Avon's Main Wall. Named for Marcavity the Mystery Cat, from T.S. Elliot's Old Possum's Book of Practical Cats.
Macavity, Macavity: he defies the law of gravity.
Misspelt Mercavity for many years.
2 successful ascents recorded.
| Climber | Style | Ascent Date | Suggested Grade | |
|---|---|---|---|---|
| Chris Bonington | Lead | ground up | 1954 | ||
| First ascent. With Mike Thompson. With some points of aid. | ||||
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Bonington's first significant new route and the first to breach the impressive Main Wall at Avon Gorge. |
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| Mike Thompson | Second | 1954 | ||
| First ascent. With Chris Bonington. | ||||