Loading map...

2020 Map of Grannis

Name: 2020 Topographic Map of Grannis
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Grannis and the surrounding ranchlands of Park County are defined by a complex irrigation network and the winding course of the Shields River. The landscape transitions from the river bottom into significant upland formations like Cedar Butte and Rattlesnake Ridge, with Sheep Mtn anchoring the southeastern corner. This area reflects a long history of water management for agriculture, evidenced by the Lower Shields Valley Ditch and the Palmer Ditch, which divert water to sustain the valley's livestock operations.

Roadways such as Shields River Rd and Adair Creek Rd follow the natural drainage patterns of Adair Cr and Bullrun Cr. To the north, the terrain becomes more dissected by numerous small tributaries including Falls Cr, Fiddle Cr, and Chicken Cr. The map illustrates the sparse settlement pattern typical of the Montana high country, where named landmarks often refer to prominent topographical features rather than dense town centers.