Olwiyo is a town in Nwoya District in the Northern Region of Uganda.
The town is approximately , by road, southwest of Nwoya, the site of the district headquarters. The town is at the intersection of the KarumaâÂÂPakwach road with the AcholiburâÂÂGuluâÂÂOlwiyo Road, approximately north of Kampala, the capital and largest city of Uganda. The coordinates of Olwiyo are 2ð32'15.0"N, 31ð53'06.0"E (Latitude:2.5375; Longitude:31.8850).
A 440 kilovolt electricity line from Karuma Power Station is under construction to a substation in Olwiyo, under the supervision of Intec Gopa International Energy Consultants GmbH of Germany.