Experience the mountains around Aspen with an ACES Naturalist. Our guides know the area and have a wealth of stories and information to share about wildlife and history of the area. Private Tours are perfect for individuals, families, or groups. Email guide@aspennature.org and we will help you figure out what hike is best for you. You can also explore some of our options below.

• ACES offers morning or afternoon timeslots for your private Naturalist-guided tours ($250), or full day adventures ($500).
• Reservations required. Please email guide@aspennature.org or call Lillian Bell at 970.925.5756 to make a reservation.
• You can browse the list of hikes and experiences below.
• ACES may be able arrange transportation depending on the location.
• A snack or lunch can be provided at an additional cost.
• Payment is required at the time of booking. If the guest cancels the tour within 48-hours of the tour start time, guests are responsible for the full cost of the tour.

Private Birding

Join a birding expert at a time and location that works for your group! These outings start at $350 and can be booked by contacting Lillian Bell at guide@aspennature.org or calling 970-925-5756.