Granby / Emily Warner Field - Grand County Airport

Grand County Airport at Emily Warner Field Field is solely owned and operated by Grand County. The airport is located at 1023 CR 610, Granby, CO 80446

Granby_2018Image courtesy of the Colorado Department of Transporation

Fly into the Granby/Grand County Airport (GNB) then lodge and dine in the midst of gorgeous scenery and play a different spectacular golf course every day.

Located in open terrain atop the Granby Mesa, the airport is an easy-in, easy-out mountain airfield as can be seen from this view from the southeast.  There is a Flight Planning Facility with a courtesy car and a restroom.

Grand County Government advises pilots flying into Granby Airport (GNB) to call flight service at 1-800-992-7433, option #1 to check NOTAM information to determine if the airport is open and the runway has been plowed. 

Please be cautious of mountainous terrain surrounding the airport!

FAA-certified AWOS-III weather information

119.925 or call 970-887-1803

Hangar Information

Currently, 30 aircraft are hangared at GNB, in a combination of privately-owned and county-owned hangars. At this time, all of the existing hangars are full; however, Grand County (the airport sponsor) is open to contact by individuals or companies desiring to build hangars at GNB.

Inquiries about the construction of privately-owned hangars should be directed to the County Manager's Office: Edward Moyer, Assistant County Manager at 970-725-3100 or

Helpful Information

  • No fees
  • Free Computerized Weather Information System
  • Accommodates up to medium twin turbo-props and light business jets (ARC B-II)
  • 24 Hour Self Service Jet A (pre-mixed with FSII) and Avgas - Visa and Mastercard accepted
  • FAA-certified AWOS-III weather information now available at 119.925 or call 970-887-1803
  • Field Elevation: 8203 MSL
  • Pattern Altitude for all aircraft: 9003 MSL
  • CTAF: 123.0
  • 5000 x 75 ft. Runway 27 Right-hand Traffic Pattern (for terrain and avoidance of noise-sensitive areas)
  • 09 Standard Left-hand Traffic Pattern

Noise Sensitive Area

Due to rising terrain to the East and the highly noise-sensitive area, bearing 075 degrees from, and located only 0.5 nm East of the airport, good mountain pilots rarely, if ever, take off to the East. Study the traffic pattern chart and the noise-sensitive notice shown below.

Avoid noise pic Opens in new window

Visit Emily Warner Field Aviation Museum

The Emily Warner Field Aviation Museum opened in July 2015. Located in a room of the former Rocky Mountain Airways airline terminal of Granby/Grand County Airport, the museum’s displays, photographs and artifacts tell the fascinating story of flying in Grand County.  More information...

Courtesy Car 

The courtesy car availability at GNB is due to an economic development grant from the Friends of the Granby Airport, Inc., and a cooperative effort by members of EAA Chapter 1267. The Pilot Community thanks the Town of Granby for the donation of the courtesy car for use by visiting pilots.

The GNB courtesy car is stationed at the Flight Planning Facility. The keypad access code for entry is CTAF. Further instructions on completing the required courtesy car access form and for obtaining access to the keys to the courtesy car are posted inside the Facility. It is provided on a first-come, first served basis. Pilots are requested to replace whatever gasoline is used in the car.

Long Term Parking

If leaving your vehicle for extended period, please click and fill in the Long Term Parking form which can be faxed to (970) 887-3168 or left at the airport building mailbox.

EAA Chapter 1267

Chapter 1267 is located at the Granby, Colorado Airport. Their members are from Grand County and adjacent counties plus a number of "alumni" who once lived in the Grand County area. Whether you fly, build, restore or simply enjoy airplanes and aviation, you are welcome to attend their events and/or join the chapter. 

They are a group of aviation enthusiasts, aircraft builders, and pilots who get together with like-minded people to share ideas, exchange information, encourage safety, serve the local aviation community and have a lot of fun doing so. If you're flying into Grand County, check out their next meeting or event.

For more information on this chapter, please visit their website: EAA Chapter 1267

Curious about the future plans for KGNB?

Read the most current Airport Master Plan showing future hangar development, a parallel taxiway, and much more.

For general airport questions, please call Josh Schroeder at 970-887-2123

Visit the Colorado Department of Transportation website to find more information about Granby / Emily Warner Field - Grand County Airport.