Campgrounds · Rocky Mountain National Park

Aspenglen campground: reservations and cancellations

Small, quiet and aspen-shaded, just inside the park's Fall River entrance.

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  • Reservations open6 months ahead
  • WinterClosed

When do Aspenglen reservations open?

Sites open on recreation.gov 6 months ahead of each camping date, on a rolling basis, and recreation.gov releases some sites only 2 weeks or 1 week ahead. The park hasn't posted summer 2027 dates yet and says to check back in mid-November. recreation.gov says an Aspenglen reservation also serves as your timed entry, Bear Lake Road included.

Aspenglen is a summer campground, reservation only on recreation.gov. In winter, Moraine Park is the one park campground that stays open, first-come, first-served.

Rules verified Nov 4, 2026 against the RMNP camping page and recreation.gov. Rules change: check before you book.

Want Aspenglen for your dates?

Pick your nights and we’ll email you when a site opens. You book it yourself on recreation.gov. Setting a watch is free.

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Common questions

When do Aspenglen reservations open?

Sites open on recreation.gov 6 months ahead of each camping date, on a rolling basis, and recreation.gov releases some sites only 2 weeks or 1 week ahead. The park hasn't posted summer 2027 dates yet and says to check back in mid-November. recreation.gov says an Aspenglen reservation also serves as your timed entry, Bear Lake Road included.

What is the season at Aspenglen?

Aspenglen is a summer campground, reservation only on recreation.gov. In winter, Moraine Park is the one park campground that stays open, first-come, first-served.

Do Aspenglen sites open up after it sells out?

Yes, it can happen. When someone cancels a reservation, that site-night goes back on sale on recreation.gov for anyone to book. Set a watch for your dates and we'll email you when a site opens.

Can Campsite Ranger book Aspenglen for me?

No. Campsite Ranger never books for anyone and never asks for your recreation.gov login. It emails you when a site for your dates opens, and you book it yourself on recreation.gov.