Lace up your boots and head into Colorado's rugged Sangre de Cristo Mountains to explore this spine of soaring peaks that stand more than a mile above the San Luis and Wet Mountain Valleys. Here you'll discover plunging creeks, gorges cut from chunky conglomerate, and valleys where elk, bighorn sheep, coyote, and cougar live. Climb Kit Carson Mountain, Crestone Needle, or Blanca Peak; hike Black Canyon or Wild Cherry Creek. Wander the Great Sand Dunes National Park, which has the tallest dunes in North America. Local hiker and outdoor writer Lee Hart will introduce you to these trails and many more. Inside you'll find: up-to-date trail information; accurate directions to wilderness trails; difficulty ratings; topographic trail maps; zero-impact tips. Whether you are planning a day hike or an extended backpacking trip, you'll find trails suited to every ability and interest in one of the most beautiful regions of Colorado.

A study of the highly diverse igneous rocks and structures of a classic geologic area, with a discussion on the emplacement of these features.