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2017 Map of Ennis Lake

Name: 2017 Topographic Map of Ennis Lake
Creator: U.S. Geological Survey
Published: 2017
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2017

About this map

The Madison River flows through the heart of this Madison County landscape, fueling the waters of Ennis Lake and carving the dramatic walls of Bear Trap Canyon to the north. Near the western shore, the settlement of McAllister serves as a local anchor, situated near the McAllister Cem and the confluence of several mountain-fed streams including N Meadow Cr and S Meadow Cr. The hydrologic complexity of the valley is evident in the intricate braided patterns of the Fletcher Channel and the various irrigation features like the Jack Cr Ditch that support the surrounding ranchlands.

Local roads such as N Ennis Lake Rd and Jack Creek Rd navigate a terrain defined by both wide alluvial flats and steep canyon topography. The map details the transition from the lake's open waters to the marshy delta of the south, where the river splits into multiple channels. Smaller named settlements like Watkins on the eastern shore and numerous family-named ranch roads point to the enduring agricultural character of this Montana valley.