Community Event RSVP

To RSVP for a free event, please take a minute to complete our RSVP form. This helps us plan and allows us to communicate any changes if necessary. Thank you!

Guided Walks

Get outside with Severson Dells Naturalists and learn about the natural history that makes our local habitats special. Please RSVP using the RSVP Form link above or by calling 815-335-2915.

Upcoming Walks


Science Saturdays

Come on out to Severson Dells for this free monthly event, full of hands-on activities for all ages! This is an open house style event from 10am-2pm. 

Upcoming Science Saturdays

August 26th- Monarch Mania!

Celebrate the most royal of insects, the Monarch Butterfly! Learn about their amazing migration, see live specimens and receive your very own milkweed to take home. 

Sponsored by Dick Leighton honoring Dr. Carl Hartman

September 30th- Insect Insanity

Are you ready to have a buggy good time?! Join us for a day all about the world's most numerous animal. Learn about what makes an insect and insect, their importance in nature and all the fun that these creepy crawlies bring!!