Colorado Porch

Cars and driving - San Luis Valley

Los Caminos Antiguos is the scenic byway that runs through Antonito

The Los Caminos Antiguos Scenic Byway links Antonito with Alamosa, San Luis, and Fort Garland, tying together the San Luis Valley's old towns, the railroad, and the route toward the Great Sand Dunes.

Published June 10, 2026 - Last verified June 11, 2026

If you want a sense of the wider San Luis Valley from behind the wheel, the Los Caminos Antiguos Scenic Byway is the route that ties it together. The name means “the ancient roads,” and the byway connects Antonito in Conejos County with Alamosa, the old village of San Luis, and Fort Garland.

The drive strings together the valley’s deep history. From Antonito it reaches past the historic Catholic parish at Conejos and the terminal of the narrow-gauge railroad, and the larger route heads on toward Fort Garland and the road to the Great Sand Dunes. It is as much a tour of old towns and cultures as it is of scenery.

A scenic byway is a designation, not a special kind of road. You are driving ordinary state and county highways across a wide, high valley, where wind, blowing dust, sudden weather, and winter ice are all part of the picture. Distances between towns and services are longer than they look on a map.

For the byway’s route, stops, and current road conditions, see the Colorado Department of Transportation’s scenic byways pages.

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Sources and review

Where this information comes from

This note uses official or primary sources where practical. Local details can change, so confirm before acting.

Last reviewed
June 11, 2026