clamber

To climb (something) with some difficulty, or in a haphazard fashion.ambitransitive

• The children clambered over the jungle gym.

The act of clambering; a difficult or haphazard climb.

• Beyond these woods were crags covered with purple heather, gleaming crimson in the light. Tired as I was, I could not resist going out of my way to enjoy a clamber over the wild moor, and its fresh breezy air.