Rosalie
Rosalie Trail is a 13.1-mile trail in Pike and San Isabel National Forests, Colorado. The Forest Service rates it trail class 3, developed. It is open to hiking and horse and pack stock. It enters Mount Evans Wilderness.
Trail conditions, closures and hazards are not tracked here. The Pike and San Isabel National Forests official page carries current alerts and closure orders.
Map
One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.
| One end | 39.5106° N, 105.5675° W · Directions ↗ |
| Other end | 39.5949° N, 105.7109° W · Directions ↗ |
The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 7 segments.
The trail
| Length | 13.1 miles |
| Trail class | 3, developed |
| Type | land trail |
| Surface | native material |
| Typical grade | 12-20 percent |
| Typical tread width | 18-24 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | Not evaluated |
| Trail numbers | 603 |
| Forest | Pike and San Isabel National Forests (unit 0212) |
| States | Colorado |
| Detail published | management level, with uses |
Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.
Weather by month
Allowed uses
| Hiking | Allowed year-round |
| Horse and pack stock | Allowed year-round |
A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.
Wilderness
- Mount Evans WildernessFS · about 79% of the line is insideWilderness Connect ↗
Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.
Trailheads
Deer Creek Trailhead No season published The following regulations / restrictions apply to the Mount Evans Wilderness: No motorized equipment (chainsaws, drills, etc.) or mechanized transportation (bicycles, wagons, etc.) No landing or dropping of supplies by aircraft (including parasails) Groups size is limited to 15 persons and/or 10 pack or saddle animals in any one party. Dogs must be leashed. Camp at least 100 feet from lakes, streams, or trails. Campfires must be at least 100 feet from lakes, streams or trails. Hobble, tie, or tether any pack or saddle animals at least 100 feet from lakes, streams or trails. All livestock feed must be processed and weed free. Do not cut switchbacks. Pack it in; pack it out. Practice Leave No Trace principles. | under 0.1 mi |
Guanella Pass Trailhead No season published Wilderness regulations apply in Mount Evans Wilderness: Dogs must be on a hand held leash. No motorized equipment or mechanized transportation. Camps, campfires and stock, where allowed, at least 100 feet from water and trails. Group size limited to 15 people and/or 10 pack/stock animals per party. Processed weed-free feed is required for stock. Guanella Pass road is a county road and parking along the road is prohibited. Plan to arrive early to the trailhead. | 0.1 mi |
Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date.
Trails nearby
Camping nearby
Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.
Fire nearby
- PrescribedHarris Park Broadcast Rx
9 mi from the trail midpoint · 390 acres
- PrescribedO'Brien 2 Broadcast Rx
41 mi from the trail midpoint · 267 acres
- WildfireWillow
47 mi from the trail midpoint · 7,359 acres · 92% contained
- PrescribedRoad Gulch 2 Rx
47 mi from the trail midpoint
Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.
Explore
Historic places nearby
Guidebooks for Colorado
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
How long is the Rosalie Trail?
The Forest Service records 13.1 miles under this name in Pike and San Isabel National Forests, the sum of 7 segments.
Source: Forest Service trail layer
What is allowed on the Rosalie Trail?
Hiking and horse and pack stock are allowed. The trail is closed to motor vehicles year-round.
Source: Forest Service trail layer
Where does the Rosalie Trail start?
The line begins at 39.5106° N, 105.5675° W and ends at 39.5949° N, 105.7109° W. The nearest recorded trailhead is Deer Creek Trailhead, under 0.1 miles from the line. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Rosalie Trail in a wilderness area?
Yes. It enters Mount Evans Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.
Source: Mount Evans Wilderness
Where can I camp near the Rosalie Trail?
Deer Creek Campground (0.7 mi), Guanella Pass (1.3 mi) and Meridian Campground (1.7 mi) are within five miles of the trail. The camping section lists all 7 with site counts and booking links.
Source: Campsite Atlas
How developed is the Rosalie Trail?
Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.
Source: Forest Service trail layer
How steep and how wide is the Rosalie Trail?
The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.
Source: Forest Service trail layer
Who manages the Rosalie Trail?
Pike and San Isabel National Forests, Forest Service unit 0212. The trail is in Colorado.
Is there a fire near the Rosalie Trail?
The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Harris Park Broadcast Rx at 9 miles. Check the forest's closure orders before you go.
Source: Fire nearby
Source
This page is built from 7 segments named Rosalie in the Forest Service TrailNFS_Publish layer, administrative unit 0212. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed November 1, 2026. The methodology page explains how segments become trails.