This is a small cache located near (but not in or part of) Observation Post 17.
This ancient stone structure forms one of seven now left standing on the moor, and used to be a shelter for observers back in the days when they were allowed to fire artillery here.
For more information on the Observation Posts please visit here: http://www.legendarydartmoor.co.uk/obs_post.htm
There is some sort of track almost all the way to this location.
Please Note: This is a Military Training Area on which live firing and other pyrotechnics may be used. The area is generally open public access. One of the safety rules for public access is:- Do not, (and ensure that children do not) approach, touch or pick up any metal objects lying on the ground. Please obey all byelaws and locally posted information concerning times when the area may be closed. These may be physical barriers, flags or lights.
This cache complies with the DNPA agreement for geocaching - http://www.dartmoor-npa.gov.uk/visiting/vi-enjoyingdartmoor/geocaching