Montagnais crater

{{Short description|Meteorite crater in the North Atlantic}}

{{Infobox terrestrial impact site

| name = Montagnais crater

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| map = Canada

| map_alt =

| map_caption = Location of the crater offshore Canada

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| coordinates = {{coord|42|53|N|64|13|W|type:landmark_scale:2500000|display=inline,title}}

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| confidence = Confirmed

| diameter = {{convert|45|km|mi|abbr=on}}

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| age = 50.50 ± 0.76 Ma
Eocene

| exposed = No

| drilled = Yes

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| country = Canada

| state = Nova Scotia

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Montagnais is a meteorite crater located on the continental shelf south of Nova Scotia, Canada.{{Cite Earth Impact DB |name=Montagnais |access-date=2017-10-09}}

It measures {{convert|45|km|mi}} in diameter, and its age is estimated to be 50.50 ± 0.76 million years (Eocene). The crater is under the sea and buried beneath marine sediments.