Welcome

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

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.

Our facility will be closed on Friday, July 4th in celebration of the Fourth of July.

Our building will reopen to the public at 10am on Saturday, July 5th.

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

Phenology Calendar

Now selling 2025 Phenology Calendars from the Aldo Leopold Foundation!


Embark on a year of discovery with the 2025 Phenology Calendar: Staying in a Thermal Niche as your guide. Complete with eloquent Leopold quotes, stunning photographs, and eye-opening phenological sidebars, curated by Aldo Leopold Foundation Senior Fellow Dr. Stan Temple, this year’s calendar will take you on an observational journey of the natural world. Along the way, you will learn how certain plant and animal species manage to stay within their thermal niches as the climate warms rapidly.

Features in the 2025 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
  • Sidebar narratives featuring temperature and thermal niche data

Come to the front desk to purchase your 2025 Phenology Calendar for only $18!

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