Welcome

We are currently updating our website, please be patient if some links are temporarily unavailable.

Our facility will be closed on Friday, October 3rd for a day of professional development.

Our building will reopen to the public at 10am on Saturday, October 4th.

Everyday, our trails are free and open from dawn until dusk.

Our facility is open Monday through Friday, 9am to 4pm, and from 10am to 2pm on weekends.

Visit us. Everyday, our trails are free and open from dawn until dusk.

Phenology Calendar

Now selling 2026 Phenology Calendars from the Aldo Leopold Foundation!


Embark on a year of discovery with the 2026 Phenology Calendar as your guide. Complete with stunning wildlife photography, thought-provoking quotes, and illuminating sidebars, curated by Aldo Leopold Foundation Senior Fellow Dr. Stan Temple, this year’s calendar will take you on a journey through the seasons. Along the way, celebrate the legacy of Aldo’s daughter, Nina Leopold Bradley, whose phenological observations revolutionized our understanding of the effects of climate warming on local flora and fauna.

Features in the 2026 Phenology Calendar include:

  • Larger wall calendar size – 12.625” x 9.125”
  • Thicker paper with glossier images
  • Additional secular and religious holidays
  • Additional space to write in appointments and nature observations
  • Sidebars highlighting Nina’s observations, with selected quotes that show her unique perspective on phenology

Come to the front desk to purchase your 2026 Phenology Calendar for only $18.95!

Please note: This year, all calendar sales will be in person. We are not shipping them this year. If you would like a calendar shipped to you, please order it through the Aldo Leopold Foundation’s website. Thank you for understanding.

Order yours today!

Ships to the 48 contiguous states.

Order a 2024 Phenology Calendar

Aldo Leopold Nature Center