The Chasm

The Chasm is a Stop of Interest sign in British Columbia.

British Columbia · In the parking area at the Chasm park, 20 km north of Clinton. Turn east at the Chasm exit and 4km to the entrance.

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At the close of the Ice Age about 10,000 years ago, a stream fed by melting ice cascaded over a falls forming this chasm by cutting into some of the laval flows that helped to build the Fraser Plateau. Individual lava flows are shown here by the horizontal layering. When the glacial ice finally disappeared the flow of meltwater stopped.

This is the sign’s current text as the Ministry records it in its July 2022 dataset. The Ministry says over fifty signs were replaced or refreshed between 2016 and 2019, so an older sign or photograph may read differently. The Stop of Interest program ↗

TodayHistorical map

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

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Sign text and location: Stop of Interest program, BC Ministry of Transportation and Transit, from the Ministry’s open dataset “BC Stop of Interest Signs” in the BC Data Catalogue (July 2022 edition). The text is the one the Ministry records as the sign’s current text, and the pin is the Ministry’s own. Contains information licensed under the Open Government Licence – British Columbia.
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Open Government Licence – British Columbia

The Chasm

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