clamber
1. [ verb ] climb awkwardly, as if by scrambling
Synonyms: scramble struggle skin shinny sputter shin
Related terms: climb struggle
2. [ noun ] an awkward climb
Examples:

"reaching the crest was a real clamber"

Related terms: climb
Similar spelling:   clumber
  climber
  climb
  clambake
  clump
  clomp
  clean_bomb
  clamp