PURPOSE: To provide a portable water purifying device for outdoor use which is installed in a camping site or the like or is carried and transferred by a vehicle and enables a user to continuously utilize safe potable water in a large volume by treating the water directly taken from nearly rivers, lakes, ponds, rain water, etc., or the water carried by means of plastic bottles.

CONSTITUTION: This portable water purifying device 1 for outdoor use has a water purifying device body 3, a water feed pipeline 9 which is in contact with raw water at one end and is connected at the other end to the water feed port of this water purifying device body and is disposed in the state of continuously taking in the raw water, a pump 4 which is interposed in this feed water pipeline and forcibly feeds the raw water to the water feed port of the water purifying device body, a clean water pipeline 17 which is connected to the clean water outlet of the water purifying device and a cover 2 which covers at least the water purifying device body and the pump.