A cathole is a pit for human feces. Catholes are frequently used for the purpose of disposing of bowel movements by hikers and others engaging in outdoor recreation.

Catholes must be located at a reasonable distance (at least 60 m) from water sources (rivers, lakes, etc.), to avoid possible bacterial contamination of water via precipitation, as well as away from trails. For faster feces decomposition, organic soil is preferred over a mineral (sandy) one. It is also recommended to avoid concentration of catholes around campsites. Filled catholes must be covered with a reasonably thick layer of soil, to prevent access by animals, some of which are coprophagous.

In some areas, it is not appropriate to dispose of human feces through the use of catholes. For example some areas require special instructions on human waste disposal. In rocky places, with the absence of soil, it is advised to spread feces thinly by smearing over rocks with good sun access for faster sterilization by UV radiation and drying. In larger snow fields, a larger distance (e.g., 200 m) from trails and campsites may be mandated, if the waste is being disposed under snow.


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