The brilliantly-named 'Up One Two Three' was a neat slate structure which was located in the spot we now find Shigeo Toya's 'Underground Tree' occupying, just by the road north of the Millwood Trail. Mason had this to say in 'A Sense Of Place':

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"It is difficult to assess what changes are due to Grizedale Forest. I have visited it each autumn for several days with students, discovering new sculptures and different parts of the forest. Re-orientating past and current perceptions each visit. The sharply contrasting pace of life and environs leaves an endless series of images and spaces. It involved, at the time of working within the forest, a fundamental challenge to working methods and responses and I find it progressively easier (whether this would have been so is pure conjecture as it is impossible to deny that experience) to take on new ideas and quicker to challenge myself."

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Paul Mason hailed from Bolton and worked mainly with stone, as seen here. In 2000 he spent a year's residency in Gloucester Cathedral, creating carvings which subsequently went on display there. He died in 2006, aged 53, and in his obituary for The Independent, David Manley wrote:

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"In a generation of distinguished British sculptors... Paul Mason stood out for his continuing adherence to the traditions of stone carving.

Both as artist and teacher, [he] demonstrated an unswerving respect for the primacy of the creative act and in many of his projects he encouraged and supported others to invest their creativity with a similar passion."

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Also by this artist:

Slate, Straddled and Splayed 1981