Locted at the far west end of Turquoise Lake, Boustead Tunnel conveys water collected by the West Slope Collection System under the Continental Divide and into Turquoise Lake on the East Slope. The tunnel is five miles long and has a water conveyance capacity of 945 cubic feet per second (ft/s). Eight percent of the water in the Watershed is currently diverted to the Eastern Slope. The West Slope Collection System, located upstream of Ruedi Reservoir in the upper Fryingpan River and Hunter…
Boustead Tunnel Observation Site is primarily first-come, first-served. Use the availability view to gauge how busy it is before you go.
See the map for Boustead Tunnel Observation Site's exact location and directions.
Pick your dates on the availability calendar, then reserve through the official booking link. You can also set an alert and we'll notify you if a sold-out date opens up.