Mountain summit marker (5)
I believe the answer is:
cairn
(Other definitions for cairn that I've seen before include "Pile of stones - type of terrier" , "Stone-pile monument" , "Small terrier" , "Agree" , "Mound of stones on mountain top" .)
I believe the answer is:
cairn
(Other definitions for cairn that I've seen before include "Pile of stones - type of terrier" , "Stone-pile monument" , "Small terrier" , "Agree" , "Mound of stones on mountain top" .)