Description of the Cloudy Pass batholith, the overlying Gamma Ridge volcanic rocks, and the still younger Glacier Peak volcano with discussion of the source magmas, their genetic ties, and the structures controlling their emplacement and eruption.

* Cascades climbing routes -- the guidebooks relied on for more than 25 years * Northwest climbing legend Fred Beckey has summited and explored hundreds of Cascade peaks * Hand-drawn maps and photos with route overlays, as well as approach information Volume II in the classic Cascade Alpine Guide series features expert information on more than 300 climbing and high routes in the Cascades. This volume covers the middle of the Cascade Range, from the foothills east of Puget Sound to Lake Chelan. You'll find geographical, historical, and geological overviews of the majestic mid-Cascade region, plus important tips on safety and backcountry usage. Legendary author/climber Fred Beckey includes technical and grade information for each route to make clear exactly what type of climb you are embarking upon.