Premium Member Only cache
A Premium Member Only (PMO) cache is a cache listed at Geocaching.com that can be viewed only by premium members.
The benefits of premium membership at Geocaching.com include the ability to view PMO caches, and the ability to list PMO caches. Basic members are not able to view PMO cache listings, although they are able to post logs for PMO caches that they find (e.g., on a geocaching trip with a premium member).
Reasons for PMO Caches
Groundspeak does not state a reason for PMO caches. However, cache owners have stated various reasons for restricting their cache listings to premium members, including:
- Hiding cache coordinates from local cache maggots who have only basic accounts.
- Encouraging others to buy premium memberships, or rewarding them for doing so.
- Rewarding premium members with an FTF opportunity (switching off the PMO flag later).
- Slowing down the initial rush of traffic to the cache site, to attract less attention from muggles (switching off the PMO flag later).
- Slowing down the initial rush of traffic to the cache site, to reduce geotrails (switching off the PMO flag later).
- Hiding from basic members a mystery/puzzle cache that they cannot complete.