Related Clues:

• Tackle a peak
• Start up the mountain
• Go uphill
• Move upwards, ascend
• Scale or clamber
• Go upwards
• Use hands and feet to rise
• Scale or ascend
• Ascend, escalate
• Rise, mount
• Perhaps a cleg, for instance, may be on the up and up
• Scale of the cleg, perhaps
• Get up to arm after a century
• The get-up of a cleg, perhaps?
• Give one a leg up after a century