Denver is the launch point

For a lot of visitors, this is the easiest first loop because the trip can begin wherever you are already staying around Denver.

Boulder makes a useful first astronomy stop: join a guided telescope night if you want one, put names to a few things in the sky, then carry those landmarks west.

Then climb

Loveland Pass changes the whole feel of the trip. The horizon becomes mountain-shaped, the air gets thinner, and wind and road conditions suddenly matter as much as light pollution.

Breckenridge gives you another version of the high country: a Dark Sky Community with lodging, restaurants and guided astronomy rather than an exposed roadside stop.

Suggested stops

  • Boulder
  • Loveland Pass
  • Breckenridge

Do not treat Denver as a required return point

Denver is the hinge at the beginning. Once you are in Summit County, let Breckenridge become the hub for the next night instead of driving back east just to restart the route.

Pick the guided program or observing window you care about most first. Then let daylight driving, lodging and weather decide the order around it.

Check Moon, cloud, smoke and mountain roads before departure. A short route on a map can still become a long night in winter.