Changing Aspen Leaves - RMNP

Flatiron Reservoir Conditions

Park elevation: 5462'
Report last updated: 11/29/2015

Current Conditions

photo from park
This black bear was spotted by a guest near Flatiron Reservoir. Keeping a clean campsite keeps these bears away and alive!
Park situation

Daily Entrance permits are available for purchase at the Automated Pay Stations on South CR 31 and West CR 8E, near the entrance station gates. The automated pay stations accept credit and debit cards onl. Cash or checks will no longer be accepted at the self-service automated pay stations.

No camp host is on duty in the campground.

Fishing conditions

Cheyenne Day Use fishing access will be open 8am-5pm as conditions allow.

The limit for trout is four (4) per person with no size requirement.

For the most current conditions and stocking reports, check the Colorado Parks and Wildlife website. Or join our fishing forum at to send and recieve messages from fellow anglers and share your fishing knowledge!

Water level and boat ramps

Water levels at this reservoir fluctuate daily.

No boating facilities are available at this reservoir. All water recreation activities, including but not limited to, swimming, wading, and boating of any type (including belly boats, kick boats, canoes, and kayaks) are STRICTLY PROHIBITED.


Attention campers: If you do not have a reservation for a campsite, you will need to visit the Larimer County Administrative Office at 1800 South County Road 31 to purchase your campsite during the following hours:

Monday - Friday- 08:00am-04:30pm

Saturday - Sunday 10:00am-4:00pm

Camping fees will no longer be accepted at your campsite. A reservation for camping is highly recommended. You may now reserve a campsite one day in advance. 

To reserve a campsite, please call (800) 397-7795 or visit

Camping reservations may now be made from 1-180 days in advance.


Bear have been spotted around the campground so please make sure to keep a tidy site.

Mule deer and elk are plentiful this time of year. Drive carefully as wildlife often gathers near the roads.

Park events

A complete list of upcoming events can be found at

See the Parks and Open Lands event calendar.
Background Image: Changing Aspen Leaves in Rocky Mountain National Park by Jeremy Hollis. All rights reserved.