The Cascade Mountains are a major mountain range located on the continent of North America. It is located specifically in the states Washington, Oregon, parts of California, and the Canadian province of British Columbia. The range also includes a number of active volcanoes, several of which had major eruptions in the twentieth century.


First Lieutenant Melissa McKay wished that a hill on Alpha Halo was located on the mountains during a patrol.[1]


  1. Halo: The Flood, page 187