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2023 Map of Five Hundred Flat

Name: 2023 Topographic Map of Five Hundred Flat
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Malheur National Forest dominates this high-altitude landscape in Grant County, where the terrain is defined by elevated plateaus and an intricate network of springs and seasonal drainages. Named features like Five Hundred Flat and Grasshopper Flat suggest the open, level stretches that break up the forested ridges of Sand Mtn and Gilbert Ridge. The map reveals a specific hydrographic pattern essential to this environment, with numerous vital water points such as McArthur Spring, Last Cabin Spring, and Lemcke Spring feeding into larger systems like Officer Creek and South Scotty Creek.

Interpretation of the landscape shows a region primarily shaped by timber and water management. Meadows such as Smith Meadows and Wymer Meadow provide natural openings within the dense forest cover. Geologic curiosities like The Potholes add distinct character to the northern sections, while the presence of Mud Spring and Pine Spring highlights the importance of localized water sources for both wildlife and human activity in this part of eastern Oregon.