| List of Maps | viii |
| Note on the Maps | ix |
| Trailhead Locator | x |
| Acknowledgments | xii |
| Introduction | 3 |
| What to Wear and Carry | 4 |
| High Altitude Sickness | 9 |
| Lightning: One Strike and You're Out! | 10 |
| Hikers as Caretakers | 15 |
| Rocky Mountain National Park Wilderness Facts | 18 |
| Bear Lake Shuttle Bus Service | 24 |
| Rocky Mountain National Park | |
| Mummy Range | 27 |
| Gem Lake Trail | 27 |
| Nature Walk to Gem Lake (Montane Zone) | 29 |
| North Fork of the Big Thompson Trail System | 37 |
| Mummy Pass Trail | 46 |
| Trails North of Horseshoe Park | 51 |
| Cow Creek Trailhead | 58 |
| Chapin Pass Routes | 58 |
| Moraine Park | 63 |
| Fern Lake Trail System | 63 |
| Cub Lake Trail | 67 |
| Bear Lake Road | 71 |
| Hollowell Park Trails | 74 |
| Boulder Brook and Storm Pass Trails | 74 |
| Bierstadt Lake Trail | 76 |
| Glacier Gorge Trail System | 78 |
| Bear Lake Trailhead | 91 |
| Dream Lake Trail System | 91 |
| Flattop Mountain Trail System | 94 |
| Odessa Lake Trail | 100 |
| Longs Peak and Nearby Goals | 103 |
| East Edge | 113 |
| Twin Sisters Peaks | 113 |
| Storm Pass Trail to Estes Cone | 117 |
| Lily Lake Trail | 119 |
| Homer Rouse Trail | 121 |
| Lily Mountain Trail (Roosevelt National Forest) | 122 |
| Homestead Meadows (Roosevelt National Forest) | 123 |
| Wild Basin | 125 |
| Ouzel Falls Trail System | 125 |
| Sandbeach Lake Trail System | 137 |
| Finch Lake Trail System | 140 |
| Allens Park Trail | 142 |
| Horsetooth Peak and Lookout Mountain | 143 |
| Trail Ridge Road | 145 |
| Old Ute Trail | 146 |
| Tundra Nature Walk (Alpine Zone) | 152 |
| Deer Mountain Trail | 162 |
| Abandoned Road | 164 |
| Trails from Milner Pass | 166 |
| Timber Lake Trail | 170 |
| Trails from Never Summer Ranch | 171 |
| Baker Gulch Trail System (Arapaho National Forest) | 173 |
| Onahu Creek-Green Mountain Circle | 178 |
| Colorado River Trails | 183 |
| Red Mountain Trail System | 183 |
| Lulu City Trail System | 190 |
| Grand Lake | 199 |
| North Inlet Trail | 199 |
| Tonahutu Creek Trail | 202 |
| East Inlet Trail | 203 |
| Shadow Mountain and East Shore or Outlet Trails | 207 |
| Indian Peaks Wilderness | |
| National Park and National Forest--Two Administrative Styles | 211 |
| East of the Divide (Roosevelt National Forest) | 217 |
| Pawnee Pass Trail | 217 |
| Nature Walk to Lake Isabelle (Subalpine Zone) | 220 |
| Mitchell Creek Trail | 233 |
| Mount Audubon Trail System | 235 |
| Routes from Beaver Reservoir | 237 |
| Middle St. Vrain Trail System | 239 |
| St. Vrain Mountain Trail | 243 |
| Arapaho Glacier Trail (Glacier Rim Trail) | 244 |
| Buckingham Campground Trails | 248 |
| Trails from Hessie | 249 |
| West of the Divide (Arapaho National Forest) | 253 |
| Roaring Fork Trail System | 254 |
| Buchanan Pass Trail | 257 |
| Cascade Trail to Pawnee Pass | 261 |
| Arapaho Pass Trail | 265 |
| Caribou Pass Trail | 267 |
| Corona Trail | 271 |
| Destination Tables | 275 |
| Destinations Index | 298 |
| Suggested Readings | 305 |
| About the Authors | 308 |