West Kelowna–Emergency crews ordered an evacuation of Pine Ridge mobile home park after dynamite was discovered.
RCMP say a man found a backpack while hiking and brought it home with him. When he discovered dynamite in it, he called police.
The bomb sqad has been called in from Vancouver.
About 100 residences are affected, and Emergency Social Services are on scene, trying to help people find a place to stay for the night.