Olalla is an unincorporated settlement in the South Okanagan region of the Southern Interior of British Columbia, Canada, located southwest of Penticton (the nearest large city) and just north of Keremeos.

The Similkameen Elementary Secondary School in Keremeos serves as the primary education centre for the region.

The word is listed as olallie or ollalie in many Chinook Jargon lexicons.

Briefly it was the bustling centre for several productive mines, but ore deposits did not meet expectations; the town faded and it became a small collection of homes on the highway between Keremeos and Penticton.

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