Route 4 begins where Route 3 ends

Lake Fork Earth & Sky Center / Slumgullion is the handoff from the Western Slope route into Southwest Colorado.

From Lake City, Route 4 turns south through the San Juans and toward a part of Colorado where the night sky sits alongside archaeology, cultural landscapes and some of the state's most distinctive high-desert scenery.

This route is not designed as a race between dark-sky pins. The places along it deserve daylight as well as darkness.

The route

Start at Lake Fork Earth & Sky Center / Slumgullion, then work south toward Chimney Rock National Monument.

From Chimney Rock, continue west toward Mesa Verde, then finish at Hovenweep near the Colorado-Utah border.

Lake Fork Earth & Sky Center / Slumgullion → Chimney Rock National Monument → Mesa Verde → Hovenweep

Chimney Rock

Chimney Rock makes the first major cultural stop on the route. Give it enough time to experience the landscape in daylight before treating it only as a place to look up after dark.

If a current ranger-led, astronomy or cultural program lines up with your dates, build the night around that program rather than trying to force a fixed schedule.

Mesa Verde

Mesa Verde deserves the same approach. The night sky is part of the experience, but the route works better when the archaeological landscape is not reduced to a nighttime backdrop.

Use the current park information for access, closures and any evening programming before setting the night's plan.

Finish at Hovenweep

Hovenweep pushes the route farther into the Four Corners landscape and gives Route 4 a natural western endpoint.

This is a good place to slow down. The combination of open mesa country, cultural history and dark sky is stronger when the final stop feels like a destination rather than another pin collected before driving on.

Let interpretation change the schedule

A ranger program, cultural program or astronomy event can be more valuable than preserving the route order perfectly. If one is available, build around it.

Other nights can be quieter: campsite, open horizon, telescope and no timetable beyond sunset.

Before ignition

Mountain roads, weather, seasonal access and long distances matter on this route. Check the current place pages before departure, know where you are sleeping, and avoid turning a culturally significant stop into a rushed late-night drive-through.