Chasm Provincial Park

{{Short description|Provincial park in British Columbia, Canada}}

{{Infobox protected area

| name = Chasm Provincial Park

| iucn_category = III

| iucn_ref = {{Cite web|title=Protected Planet {{!}} Chasm Park|url=https://www.protectedplanet.net/65134|access-date=2020-10-17|website=Protected Planet}}

| photo = Chasm - panoramio (3).jpg

| photo_caption = The Great Chasm near Clinton, reflecting 10 million years of erosion

| map = British Columbia

| map_image =

| map_size = 265

| map_caption = Location within British Columbia

| location = Thompson-Nicola RD, British Columbia, Canada

| nearest_city =

| nearest_town = Clinton

| coordinates = {{coord|51|10|45|N|121|26|15|W|display=it}}

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| area_ha = 3145

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| established = May 17 1940

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| operator = BC Parks

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| embedded = {{Infobox mapframe |wikidata=yes |zoom =10 |coord={{coord|51|10|45|N|121|26|15|W}}}}

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Chasm Provincial Park is a provincial park in British Columbia, Canada, located near the town of Clinton.{{BCGNIS|29262|Chasm Park}} Expanded to {{Convert|3067|ha}} in 1995, the park was originally created in 1940 to preserve and promote a feature known as the Painted Chasm, or simply The Chasm, a gorge created from melting glacial waters eroding a lava plateau over a 10 million year span called the Chilcotin Group.{{cite web|title=Okanagan Lake Provincial Park|url=http://www.env.gov.bc.ca/bcparks/explore/parkpgs/chasm/|publisher=British Columbia, Ministry of Environment|access-date=31 October 2019}}

The walls of the Chasm contain tones of red, brown yellow, and purple and are an average of {{Convert|300|m}} in height. The Chasm is approximately {{Convert|600|m}} wide and {{Convert|8|km}} long, and lies adjacent to the route of the Cariboo Road, which lines the northern apex of the Chasm alongside the Canadian National Railway line. In addition to the park upland areas of ponderosa pine, marshes and lakes are included in the park's boundaries.