...
The following criteria has been set out:
. Cache contents - no food items, tobacco, explosives, dangerous items such as knives, firearms etc.
· Cache size is no larger than 30 cm. (width, length or depth)
· Cache containers need to be weather-sealed, animal proof (never used for food storage) and suitable for all weather conditions.
· Caches should be placed near to officially designated trails (as per trail map for the site, example Fish Creek Provincial Park) or, for less used sites, near to established trails; new trails should not be created to place a cache.
· Caches should not be buried, nailed to trees or placed in restrictive areas, environmentally sensitive areas or dangerous places to access such as cliffs, etc. that would create a public safety risk.
Also, one sentence describing what the container is, what is in it, and where it is placed is required for all submissions.
...
All caches in Calgary parks must be labelled "Geocache" “Geocache” on the outside of the container with the owner's owner’s name and contact information inside. Caches cannot contain any prohibited items such as explosives, weapons or illegal substances, no food or beverage items or any other material that may attract wildlife, and must be suitable for all ages. No caches for commercial gain are permitted. Any caches without proper identification and owner information or deemed inappropriate may be removed by Parks staff. Removed caches will be held at the nearest Parks Divisional Office. Police will be notified regarding caches that contain illegal material. Removal of a cache may occur without prior notification to the owner. Caches can be retrieved by contacting 3-1-1.
...