2.6
(20)
44
hikers
Ojitos and South Boundary Trail Loop
07:29
24.1km
940m
Hiking
The Ojitos and South Boundary Trail Loop offers a demanding yet incredibly scenic hiking experience in Carson National Forest. You'll traverse varied terrain, from alpine meadows and conifer forests to stunning aspen groves, with the El Nogal section presenting particularly steep and technical challenges. This difficult 15.0-mile (24.1 km) route involves 3076 feet (938 metres) of elevation gain and typically takes around 7 hours and 29 minutes, making it a true test of endurance for seasoned hikers.
To start your adventure, head to the El Nogal Trailhead, where parking is readily available. Due to the high-altitude environment and the trail's length, it's wise to begin early and carry plenty of water. The fall is an especially popular time to visit, as the aspen trees transform the landscape into a canvas of golden colors, though good weather is essential for this challenging trek.
This loop combines significant portions of both the Ojitos Trail and the South Boundary Trail, the latter being recognized as an IMBA Epic for its quality and challenging nature. The route provides a comprehensive tour of the Sangre de Cristo Range, showcasing ridges, valleys, and peaks, and offers a chance to spot wildlife like deer and elk. You can even use the Ojitos Trail as a strategic bypass for some of the more technical sections of the South Boundary Trail.
Last updated: June 9, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Carson National Forest
Waypoints
Start point
Parking
Get Directions
0 m
El Nogal Trailhead
Highlight • Parking
You can book your shuttle under: shuttletaos.com
Tip by
2.09 km
Ojitos and Talpa Traverse Trail Junction
Highlight • Trail
Tip by
12.2 km
FR 437 (Rio Chiquito Road) Intersection
Highlight • Trail
Tip by
24.1 km
End point
Parking
Way Types & Surfaces
Way Types
24.0 km
< 100 m
Surfaces
16.4 km
7.62 km
< 100 m
< 100 m
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Elevation
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Weather
Powered by Foreca
Today
Thursday 9 July
32°C
12°C
31 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
Where can I park to access the Ojitos and South Boundary Trail Loop?
The primary access point for this loop is the El Nogal Trailhead. There is parking available there.
What is the best time of year to hike this loop?
The trail offers amazing alpine scenery, especially in the fall when the aspen groves turn golden. Summer also provides a beautiful experience through the pine forests. Be prepared for high-altitude conditions regardless of the season.
What is the terrain like on the Ojitos and South Boundary Trail Loop?
The terrain is highly varied. You'll encounter smooth, flowy sections, but also tighter, rootier, and rockier paths. Portions include fire roads, gentle climbs, and steep, loose singletrack with tight switchbacks, particularly in the El Nogal section. The Ojitos Trail can feature doubletrack and steep descents, or rough, unmaintained logging roads depending on recent clearing.
Is the Ojitos and South Boundary Trail Loop suitable for beginners?
No, this loop is generally considered difficult. The high elevation (starting around 10,500 feet) adds to the physical challenge, and sections like the El Nogal are very steep and technical. Even the Ojitos Trail, if hiked uphill, is described as a 'leg-burning, lung-busting, relentless climb'.
Are dogs allowed on the trail?
Yes, dogs are generally allowed on trails within the Carson National Forest. However, it's always best to keep them on a leash to protect wildlife and ensure a pleasant experience for all trail users.
Do I need any permits or have to pay entrance fees for this trail?
As this trail is located within the Carson National Forest, there are typically no entrance fees for day use. However, always check the official USDA Forest Service website for the most current information regarding any potential permits or regulations for the specific area you plan to visit. You can find more information on the USDA Forest Service website.
What makes this trail loop notable?
This loop is recognized for its diverse terrain, stunning alpine scenery, and high-altitude backcountry experience. The South Boundary Trail is an IMBA Epic, highlighting its challenging nature. The Ojitos Trail also offers a strategic bypass for the highly technical El Nogal section, allowing hikers to adjust their route.
Does the loop intersect with other trails?
Yes, the route incorporates significant portions of the Ojitos Trail and the South Boundary Trail. It also passes through sections of the Ojitos El Nogal Connector and the Talpa Traverse.
What kind of wildlife might I see?
Given its location in the Carson National Forest and high-altitude backcountry setting, you might encounter various forest animals. Keep an eye out for deer, elk, and a variety of bird species. Always maintain a respectful distance and do not feed wildlife.
Is there a strategic way to approach the loop to manage difficulty?
Yes, the Ojitos Trail can serve as an 'easier bypass' for the very technical and rocky El Nogal section of the South Boundary Trail, especially if you are descending. However, be aware that hiking the Ojitos Trail in the uphill direction is a very demanding climb. Consider your preferred direction based on your fitness and comfort with steep, technical descents.
What should I bring for a hike on this loop?
Given the trail's length, difficulty, and high elevation, bring plenty of water, high-energy snacks, and appropriate layers of clothing for varying weather conditions. Sturdy hiking boots are essential for the varied terrain. A map, compass or GPS device, and a first-aid kit are also highly recommended for this backcountry experience.
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