PNW Mountains

3. The type of tectonic plate boundary that created the Cascade volcanoes
7. Second highest peak in Washington, an active stratovolcano at 12,281 feet (two words)
9. Type of volcano that most Cascade peaks are classified as
10. The Three _______ are a cluster of volcanic peaks in Oregon's Cascades
11. Oregon's deepest lake, formed in a volcanic crater
13. Mountain range that runs from British Columbia through Washington and Oregon to Northern California
14. Mountain range on Washington's Olympic Peninsula
15. Number of major volcanoes in the Washington Cascades (spell it out)
17. National park surrounding Mount Rainier in Washington
18. The state where Mount Hood is located

1. Type of ecosystem found on PNW mountain slopes with heavy rainfall (two words)
2. The highest peak in Oregon at 11,249 feet (two words)
4. Famous hiking trail that runs from Mexico to Canada through the PNW (abbrev.)
5. The highest peak in Washington state and the Cascade Range (two words)
6. Washington volcano that erupted catastrophically on May 18, 1980 (two words, abbrev.)
8. The glacier-covered active volcano in Washington at 10,781 feet (two words)
12. Oregon's second highest peak at 10,502 feet, named for a US president (last name only)
16. The Ring of _____ is the volcanic zone the Cascades belong to