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COTREX is a project by the Colorado DNR and Colorado Parks and Wildlife.
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Colorado Trail Explorer
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East Trailhead

Trailhead in Alderfer/Three Sisters Park, Front Range, Rocky Mountains
Get Here
Seasonal Vehicle Roadway Closure Advisory · November 19th, 2025 at 11pm until April 30th
Parking
Weather
View 7 Day Forecast on weather.gov
Coordinates
39.623297°N 105.346°W
Nearby
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