Organized Group Rentals

Looking for a unique space to host a special dinner, meeting, or event for your business or organization?  Our facilities are fantastic for seminars, retreats, slide shows, and more! Hallam Lake has  great indoor and outdoor spaces. Set on a 25-acre nature preserve, guests can enjoy beautiful scenery and wildlife as well as explore our indoor nature center. ACES staff is available to present programs to guests such as introducing our resident birds of prey or leading sunset beaver walks on Hallam Lake.

Please contact Grayson Bauer with questions at or 970.925.5756.

We would be happy to recommend local caterers or other vendors if needed. Because we are a nature preserve, no amplified music is allowed and events must be over by 10pm.

Your rental includes:

• use of Hallam Lake nature center   • naturalist-guided activity
• digital projector• four, 3x6 foot rectangular tables
• internet access• 75 chairs
• stereo and speakers• outdoor seating is available, weather permitting
• five, four foot round tables • toilet paper, paper towels, garbage bags


After regular hours (Monday-Friday or Saturday between 9am and 5pm)
$350 (three hours including set-up and clean-up). Non-profit rate is $200 (additional hours are $50 per hour).

During regular hours (Monday-Friday or Saturday between 9am and 5pm). Some restrictions may apply.
$200 (three hours including set-up and clean-up). Non-profit rate is $100 (additional hours are $25 per hour). 

$300 is added to rental base price if food or alcohol is served.

  • 65 people maximum for rentals that include food and/or drink
  • 100 people maximum otherwise
  • When ACES is open to public (9-5 Mon-Sat) public will be allowed on grounds but encouraged to respect privacy of the event
  • No amplified music outside
  • Event ends by 10 p.m., clean-up completed by 11 p.m.
  • Set-up may be done the day or days prior tot the event but will not impact ACES' programming or visitor experience
  • No tents in Hallam Lake Nature Preserve
  • Decorations must be cleaned up prior to next day ACES is open
  • No dogs in nature center or preserve
  • No single use silverware, dishware, cups, or water bottles
  • Certificate of Liability Insurance must be provided to ACES
  • If alcohol is served, caterer must provide a Certificate of Host Liquor Liability
  • Facility Rental Agreement must be completed 30 days before event.

Advertising materials for facility rental events must name "Hallam Lake, 100 Puppy Smith Street" as the location and will not include ACES name, logo, or phone number.