Custer County Library serves the communities of Custer County, South Dakota at branches in Custer and Hermosa.  We provide resources and services in a welcoming environment to support a diverse community of life-long learners.


Adventure Begins at Your Library

Check out our Summer Reading Program page to register for reading, learn about our summer missions, and discover all the fun programs we have planned.

Letterboxing 101

June 18 | 11 am and 5 pm

June 21 | 11 am and 5 pm

Come learn all about letterboxing with us on Tuesday at 11 AM and 5 PM, and again on Friday at 11 AM and 5 PM.

Each mini-session is just 20 minutes, perfect for a quick and fun introduction. We provide all the supplies and plenty of fun. See you there!

Click to see our letterboxing tutorial video.


Set up a Geocache

June 25| 4 pm

Hey Adventurers Ages 9-17!

Join us to set up a geocache and learn all the ins and outs from start to finish. This might just open up the exciting world of geocaching for you! Don’t miss out on this fun adventure.


Vinyl Record Club

June 26 | 5 pm

Vinyl Record Club: Moon Theme 🌙

Join us this Wednesday for Vinyl Record Club! Bring your favorite moon-themed record or just come to enjoy the music. See you there!


Gardening with the Library

June 27 | 9:30 am 

Stories and Gardening at the Community Garden! 🌱📚

Join us for a fun-filled day of stories and gardening! Be prepared to tend our plants and get your hands dirty. For ages 3-11. See you there!


Mammoth Site Tooth Casting

June 29| 10 am

Explore Paleontology at Our Workshop! 🦖

Learn how paleontologists use teeth to identify animal species. Enjoy hands-on activities with plaster and molds. Discover the fascinating world of paleontology!


Check out Passes at the library


New at the Library: Journey Museum Passes! 🏛️

You can now check out Journey Museum passes for three days. Each pass covers entry for a family of four. We have two passes available. Don’t forget, we also have Custer State Park passes for circulation!


Mon., Tue., Thur., & Fri.

11:00 A.M. – 5:30 P.M.

Wed. 3:00 P.M. – 7:00 P.M.

Sat. 10:00 A.M. – 3:00 P.M.

Sun.  Closed



Summer Reading is Coming

We're thrilled to kick off the summer season with a burst of excitement as we unveil our much-anticipated theme for the 2024 Summer Reading Program: "Adventure Begins at Your Library." At the Custer County Library, we believe that every page turned, every story...

Update to library services

We're making some changes to our circulation policies and copy/printer fees to better serve you. Here's what you need to know: Circulation Policies Update: In response to feedback from our valued patrons and to better manage our library resources, we've revised our...


Wireless access is offered 24/7 from the library parking lots. No password is required at Custer. The Hermosa password is Welcome123.