The Trails

Most of the following trail guides are excerpted from our book, Geology Trails of Northern California, which contains over 100 trails of a similar nature. The web version may contain additional information, such as links to definitions of terms, photos, GPS coordinates, and topo maps.

TrailGeology
Castle RockFossils, Erosional Features
Bumpass HellGeothermal Activity
PinnaclesFault Activity, Erosional Features, Caves
Malakoff DigginsMining
Inyo CratersVolcanism
Devil's PostpileVolcanism
Black Chasm CavernCaves
Teutonia PeakErosional Features
Canyon Sin NombreErosional Features

What is California's state rock? Answer

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