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Flatiron Reservoir, CO

Status: Open year round.   Season Dates
Max reservation window: Mon Apr 20 2015   Later Dates
Site, Loop:Flatiron, Flatiron Reservoir
Find Similar Sites Type:PAVILION Amenities:
Electric Hookup Pets Allowed Near Water Accessible
Please enter arrival date
Reservation Window: Thu Oct 23 2014 – Fri Oct 21 2016

Check-in: 8:00 am

Departure date:
Check-out: 9:00 pm

Site Details:

  • Site Type: PAVILION
  • Site Reserve Type: Site-Specific
  • ADA Accessible: Y
  • Site Access: Hike-In
  • Hike In Distance to Site: 50
  • Checkin Time: 8:00 am
  • Checkout Time: 9:00 pm
  • Type of Use: Day
  • Electricity Hookup: 15
  • Max Num of People: 50
  • Pets Allowed: Domestic
  • Max Num of Vehicles: 20
  • Driveway Grade: Moderate
  • Driveway Surface: Gravel
  • Driveway Entry: Pull-Through
  • Shade: Full
  • Site Length: 50
  • Site Width: 16
  • Proximity to Water: Lakefront
  • Lean To/Shelter: Y
  • BBQ: Y
  • Campfire Allowed: Y
  • Condition Rating: Good
  • Fire Pit: Y
  • Location Rating: Good
  • Looking For Category: Day Use
  • Picnic Table: Y
  • Platform: Y
  • Site Rating: Preferred
Photo: Flatiron, Flatiron Reservoir

Alerts and Important Information


  • An entrance permit is required for every vehicle in addition to group pavilion rental fees, except at Lions Open Space (available for purchase at entrances).
  • Alcohol may not be more than 3.2 %. No kegs.
  • No jumping castles, dunk tanks, pony rides, or similar set-ups.
  • No noise disturbances to other park users.
  • Parking allowed on established roadways & parking areas only. There are no guarantees on parking availability.
  • An additional damage fee may be assessed if County staff determine the area has been damaged or is in need of excessive cleaning.
  • Cancellations and changes to these reservations incur a $6.35 fee.
  • The reserving party is responsible for making sure all attendees know and obey regulations.
  • Events including any of the following are considered a special event and must go through special event process. Go to or call (970) 679-4570: 1) large scale, exceeding the capacity/footprint of the pavilion shelter, 2) Multi-day, 3) Commercial in nature, i.e. charging attendance/participation fees or selling/advertising, 4) Complex or requiring multiple requests for policy or regulations waivers, 5) Using additional amenities outside of the footprint of the group pavilion, i.e. swimbeach, campgrounds, roadways, so as to affect other park or open space users.

    Photographs: Applicant consents to allow photographer on behalf of Larimer County to attend and photograph event. Photographs taken by Larimer County at event may be used in marketing, informational and educational materials, without compensation or further permission from the applicant, including the images of event attendees, including minors. Applicant shall notify attendees that Larimer County may take and distribute photographs of event and attendees

    Please check the Season Dates tab for annual updates on site availability.



    Located almost at the water's edge of Flatiron Reservoir, this pavilion allows easy access to an ADA fishing pier. Horseshoe pits, a volleyball court, four picnic tables, and an outdoor grill are available; and the adjacent campground is conveniently located for overnight stays in campsites or camper cabins.

    Footnotes: (applicable only where specifically marked above)
    ** Arrival dates earlier than the online-reservation-window may also be available at the campground.