Three Canadian YouTube travel bloggers have been killed after falling over a waterfall in British Columbia.

Ryker Gamble, Alexey Lyakh and Megan Scraper were part of High On Life, a video blog group which posts videos of their travel adventures on social media.

The trio were swimming at the top of Shannon Falls in Squamish, British Columbia on Tuesday when they slipped and fell into a pool 98ft below, local police siad.

The High On Life group, which has more than one million Instagram followers and more than 500,000 YouTube subscribers, named the trio in a post online.

In a video tribute the group praised them as "three of the warmest, kindest and most driven and outgoing people you could ever meet".