The village of Awsard (fr: Aousserd) is a remote village in the Western Sahara, today's Morocco. The area around is a very interesting part of the desert, both regarding the desert scenery and the Saharawi culture. This makes the village of the Awsard an ideal base for making short visits to the surrounding desert. There is no hotel or camp here at the moment, but you can easilly arrange your stay here if you have your own camping equipment. Alternatively, you can talk to locals and rent a house for a week or two or even more if you want to stay for a longer period of time.
For the info on where to go and what to visit, here are some pages that might help you:
https://www.facebook.com/wsinlands
http://www.extrem-sud.com/guides/6-pistes-du-maroc-tome-6.html#descriptif
http://www.s-adventure.com/
Of course you can also write me and ask for advice about the cache.