About this waterfall.

About Mainville Falls

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A small falls just below a dam at the outlet of Mainville Lake to Rainy Lake. Only accessible by boat.

Some Key Facts
Region Northwest
County Rainy River
Near Mainville Lake
Watercourse Mainville Lake
Watershed / % Lakes 3 / 31%
Ownership Crown Land
Landscape Wilderness
Size Small
Type Cascade
Modification Water Level Control Dam
Access No Land-based Access
Top / Bottom /
Trail conditions Overnight Water Route
Hiking Time
Coordinates 48.8317,-93.2193
Parking
48.8317,-93.2193
Site ID WOO.RAI.027
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Finding Mainville Falls

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Visiting Mainville Falls


User Reported Conditions

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Waterfalls of Ontario Project

This project has been online since 1999, in print since 2003, and on social since 2011. (See archives: 2003, 2012, 2018). It was the first to inventory and map Ontario's waterfalls for recreational purposes. With your continued help, it grows. Learn more...
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This page last updated on April 20, 2024. Earlier versions can be examined on Archive.org, dating back to 2003.