New features include:
- Full fact-check on the recreation and index listings (thousands of updates since 2015)
- Landscape Maps include new US Forest Service land ownership with private land in-holdings.
- Regional map of Colorado's famed "14ers" (peaks above 14,000 feet) with elevation rankings and nearby trails and snow parks.
- Updated Denver metro maps with new light rail lines.
6th Edition 2018. ISBN 978-0-929591-12-4 Dimensions: 16"x 11". 144 pages.
Landscape Maps 1:200,000 (statewide) Recreation Maps 1:500,000 (Eastern CO 1:1,350,000)