Pros & cons
PROS
- Shaded forest loop with a quick, big-payoff view of the dunes and peaks
- Historic interpretive stops around the former townsite add context in minutes
- Easy add-ons via Mosca Pass or Wellington Ditch for more mileage and sunset views
CONS
- Mosquitoes can be pesky in summer near Mosca Creek
- No RV/trailer parking at the trailhead means a connector walk from the Visitor Center
- Very short; more a scenic stroll than a destination hike
Trailhead lot just past the Visitor Center on Highway 150; no RV or trailer parking. Larger vehicles should park at the Visitor Center and use the 0.25-mile connector trail.
Black bears are present in these foothills; keep pets leashed and food secured. Expect mosquitoes in warm months and a few rocky sections. At 8,250–8,385 feet, pace yourself. Watch junctions to avoid continuing onto Mosca Pass if you intend to complete only the loop.
Overview
This easy 0.5-mile loop packs a lot into a short, shaded stroll at the base of the Sangre de Cristo Mountains. Plan about 30 minutes. The climb is gentle (about 200 feet of gain, though many devices read closer to ~100), and the loop tops out around 8,385 feet (starting near 8,250). It’s a favorite cool-down when the dunes are blazing, with a surprising viewpoint of the dunefield and mountains.
What You’ll See
You’ll walk through a mix of piñon and other pines, Douglas-fir, aspen, and narrowleaf cottonwood—keep an eye out for prickly pear cactus along sunnier edges. The loop traces the historic townsite of Montville, destroyed by a 1911 flash flood; numbered interpretive stops tell the story. Deer are common, and you’ll often hear jays and ravens; black bears are more common in these foothills than on the dunes.
Route Guide
From the trailhead, the loop begins quickly. Most hikers go counterclockwise to follow the interpretive markers in order. The path climbs steadily to a small bridge over Mosca Creek at the high point, where breaks in the trees reveal the dunes, Mt. Herard, and the San Luis Valley. Underfoot can be a bit rocky in spots, but footing is straightforward. After the bridge, stay mindful of junctions so you don’t accidentally continue up Mosca Pass if you’re just looping back to the lot.
Connections and Add‑Ons
- Mosca Pass Trail branches from the far eastern end of the loop and heads up-canyon; it enters designated wilderness about 0.5 mile beyond the Montville Loop.
- Wellington Ditch Trail also splits from Montville and runs about 0.9 mile to Piñon Flats Campground, offering elevated viewpoints of the dunes (especially nice near sunset).
- A 0.25-mile access path links the trailhead with the Visitor Center if you’re parking there.
Best Time to Hike
Good year‑round; expect small drifts in winter. In summer, this is an excellent afternoon option thanks to shade. For cooler temps and fewer mosquitoes, go early or later in the day. It’s also a pleasant, short night walk to listen for owls.
Getting There & Parking
The trailhead sits just past the Visitor Center on Highway 150. RVs and trailers aren’t allowed at the Montville lot—park those at the Visitor Center and walk the 0.25‑mile connector. Pick up the interpretive guide at the trailhead or Visitor Center to match the numbered posts.
Tips & Hazards
Bring bug spray in warm months (mosquitoes like the creek corridor). You’re hiking between about 8,250 and 8,385 feet—take it easy if you’re not acclimated. Black bears are present; keep food secured and stay alert. Dogs are allowed; keep them leashed. The loop briefly enters the National Preserve, which doesn’t change the experience.
Elevation
0.5 mi · 30 minWhere it starts
37.7342, -105.5083Wildlife on this trail
Near Montville Nature Trail
All places →All trails →
0 mi awayMosca Pass TrailShaded creekside climb to a historic pass with dune glimpsesModerate · 7 mi · 3.5 hr
0 mi awayWellington Ditch TrailShady foothill stroll with big dunes and mountain views.Easy · 2.3 mi · 1 hr
0 mi awayMosca PassShaded mountain hike to a historic pass with occasional dune glimpsesTrailhead · Parking
0.2 mi awayPark Store at the Great Sand Dunes Visitor CenterSmart souvenirs that fund the park’s research and educationStore · Restroom
0.2 mi awayVisitor CenterBest first stop for exhibits, maps, and sweeping dune viewsVisitor Center · Restroom
0.6 mi awayStar DuneLong ridge walk to one of North America’s tallest dunesChallenging · 7.1 mi · 4 hr
0.6 mi awayHigh Dune on First RidgeShort, brutal sand slog to huge views of the dunes and SangresChallenging · 3 mi · 3 hr
0.6 mi awayMedano Creek TrailheadSeasonal splash zone and dune gateway from the main lotTrailhead · Parking
