Trailhead list:
Longs Peak Trailhead
Glacier Gorge Trailhead
Copeland Lake (Wild Basin) Trailhead
Stevens Gulch Trailhead
Grizzly Gulch Trailhead
Loveland Pass Trailhead
Chihuahua Gulch Trailhead
Horseshoe Basin Trailhead
Echo Lake Trailhead
Summit Lake Trailhead
Guanella Pass Trailhead
West Chicago Creek Trailhead
Scott Gomer Creek Trailhead
Epaulet Saddle Trailhead
Manitou Springs Trailhead
Crags Campground Trailhead
Elk Park Trailhead
Devil's Playground Trailhead
Monte Cristo Trailhead
Blue Lake Trailhead
McCullough Gulch Trailhead
Kite Lake Trailhead
Dolly Varden Creek (Mineral Park) Trailhead
Quartzville Creek Trailhead
Montgomery Reservoir Trailhead (+1m not on map)
Fremont Pass Trailhead
Fourmile Creek Trailhead
Thompson Park Trailhead
Little Sacramento Trailhead (private)
Sacramento Creek Trailhead (private)
Iowa Gulch Trailhead
Halfmoon Trailhead (+8m not on map)
Mount Massive Trailhead
North Halfmoon Creek Trailhead
Native Lake Trailhead
Windsor Lake Trailhead
North (Mount) Elbert Trailhead
South Halfmoon Creek Trailhead
South Mount Elbert Trailhead
Black Cloud Trailhead
Echo Canyon Trailhead
Lake Creek Trailhead
West Winfield Trailhead
Rockdale Trailhead (+2.4m to 4wd TH)
South Winfield Trailhead (+2m to 4wd TH)
Missouri Gulch Trailhead
Pine Creek Trailhead
Harvard Lakes Trailhead
North Cottonwood Trailhead
Three Elk Creek Trailhead
Frenchman Creek Trailhead (+1m not on map) (+2.2m more to 4wd TH)
Denny Creek Trailhead
Avalanche Gulch Trailhead
Silver Creek Trailhead
Mount Princeton Trailhead (+3.4m to 4wd TH)
Grouse Canyon Trailhead
Cascade Trailhead
Baldwin Gulch Trailhead (+3m to 4wd TH)
Browns Creek Trailhead
Angel of Shavano Trailhead
Jennings Creek Trailhead
Blank Gulch Trailhead
South Colony Lake Trailhead (+5.2m to 4wd TH)
Willow Creak Trailhead
Spanish Creek Trailhead (private)
Cottonwood Creek Trailhead (private-closed)
Lake Como Trailhead (+0.7m not on map) (+5m more to 4wd TH)
Huerfano River & Lily Lake Trailheads (+2.4m not on map)
Huerfano River & Lily Lake Trailheads (+2.4m not on map) (CO-160/Western Approach)
Taylor Ranch Trailhead (+3m to 4wd TH) (private)
Capitol Creek Trailhead
Snowmass Creek Trailhead
Snowmass Creek Trailhead
Crystal Trailhead (+1.8m to 4wd TH)
Maroon Lake Trailhead
Castle Creek Trailhead (+ many 4wd options)
Conundrum Creek Trailhead (+0.9m not on map)
Middle Brush Creek Trailhead (+1.3m not on map) (+6.9m more to 4wd TH)
Steward Creek Trailhead (CR-14DD is FR-794)
Steward Creek Trailhead (From Lake City Area) (CR-14DD is FR-794)
West Willow Creek Trailhead (Easier Roads)
West Willow Creek Trailhead (Steeper Roads)
Nelli Creek Trailhead (+3.9m to 4wd TH)
Matterhorn Creek Trailhead (+0.6m to 4wd TH)
West Cimarron Trailhead
Middle Cimarron Trailhead
Mill Creek Trailhead
Silver Creek-Grizzly Gulch Trailhead
American Basin Trailhead (+0.9m to 4wd TH)
Grouse Gulch Trailhead
Needleton Trailhead (Durango Train Depot, 479 Main Ave)
Purgatory Trailhead
Vallecito Trailhead
Yankee Boy Basin Trailhead (+1.3m to 4wd TH)
East Dallas Creek Trailhead
Silver Pick Trailhead (private-closed)
Navajo Lake Trailhead (CR-38 is Dunton Rd)
Kilpacker Basin Trailhead (CR-38 is Dunton Rd)
Lizard Head Creek Trailhead
Wonder Lake (Karstens Ridge/Muldrow Glacier Approach)
Talkeetna Airport (Talkeetna Spur Rd Mile 13.5, Talkeetna, AK)
Whitney Portal Trailhead
Britton Hill Trailhead