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Here's Why Kalamalka Lake Is Green

Photo Credit: Tourism Vernon Facebook Page/Thomas Bullock

Have you ever wondered how or even why Kalamalka Lake turns an emerald green every summer?

Tourism Vernon has the answer. In a Facebook posting, the organization explains that the green colour is because of limestone deposits left by receding glaciers.

Photo Credit: Tourism Vernon Facebook Page

“When the lake warms in the summer, dissolved limestone crystallizes, giving the lake a distinctive blue and green hue,” wrote Tourism Vernon.

Ever wondered the secret behind what makes our Kalamalka Lake turn green every summer? Its caused by limestone deposits...

Posted by Tourism Vernon on Saturday, 18 July 2015

When the lake cools again, the limestone crystals disappear, taking the green colour with it.

Kalmalka Lake. (Photo Credit: Okanagan Rail Trails Society)

BC Parks echoes the explanation. Posted on the government website, they explain that Kalamalka Lake is one of only a handful of unique bodies of water known as “marl lakes.”

Photo Credit: Andrew Lipsett Photography/Instagram

"When the lake warms in the summer, calcium carbonate, or limestone, forms crystals that reflect sunlight and create its distinctive blue and green colours," said BC Parks on its website.

There's no shortage of photos of the gorgeous lake on Instagram. Check out a few posted below or be sure to do a search for Kalamalka Lake.

@kawesomepip surfs up

A photo posted by Vic Toria (@torieja_) on

That view though 😍 #ExploreBC

A photo posted by sanya lakhani (@sanyalxo) on

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