Loading map...

2023 Map of Toppenish Mountain

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

USGS Topo · Published 2023

About this map

Toppenish Mtn and the adjacent Toppenish Ridge dominate the southern portion of this Yakima County landscape, marking the transition from the high ridges toward the agricultural expanses of the Yakima Valley to the north. The settlement of White Swan sits near the northwestern corner, serving as a focal point for the surrounding rural area. Water management is a central theme of the geography here, evidenced by the Unit 2 Canal and several drainages like Mill Creek and Toppenish Creek that descend from the slopes to support the valley floor.

Local history is preserved at the Toppenish Creek Cem and along established routes such as Fort Simcoe Rd and the Mount Adams Hwy. The network of Bureau of Indian Affairs roads, including BIA Rd 103 and BIA Rd 125, underscores the importance of tribal land management and access within this region. Further south, the high country features Olney Lake and the headwaters of Seattle Creek, illustrating the complex hydrology of the eastern Cascades foothills.