Looking for a family outing this weekend? These four Idaho events bring together art, hands-on science, aircraft and community activities for September 25–27, 2026. The events below take place Saturday and Sunday, with options in the Treasure Valley, Magic Valley and Eastern Idaho.
All times below are Mountain Time. Check the linked organizer information for changes before leaving home. Food, shopping and some optional activities may cost extra.
Thousand Springs Festival of the Arts — Ritter Island
Explore more than 100 artists, watch demonstrations and listen to local musicians on two stages in a scenic island setting. Canoe, paddleboard and wagon rides are among the advertised activities.
- When: Saturday, September 26, 10 a.m.–6 p.m.; Sunday, September 27, 10 a.m.–5 p.m.
- Where: Ritter Island, 1205 Thousand Springs Grade, Wendell, Idaho.
- Cost: $6 adults, $5 seniors ages 60+, and $3 children ages 5–12. The organizer’s ticket form also labels child tickets “12 and under,” so confirm admission for children under 5 before purchasing. Optional activities may cost extra.
- Plan ahead: Park at the top of Ritter Island Grade and take the bus to the island. Tickets are sold online and at the entrance; print online tickets before you go. Bring cash or a physical payment card—the organizer warns that contactless payments are unreliable without cell service. Service animals only; leave pets at home.
See the Thousand Springs directory listing · Official festival information · Admission and tickets
Thrive: Community Wellness Festival — Boise
Upward Inertia’s free community festival at JUMP offers movement, dance and wellness activities for a range of ages and abilities. Families can visit the kids corner, join a community craft project and enjoy face painting. Food trucks and local vendors will also be there.
- When: Saturday, September 26, 10 a.m.–4 p.m.
- Where: JUMP Park, 1000 W. Myrtle Street, Boise, Idaho.
- Cost: Free admission; bring money for food and vendor purchases.
See the Thrive directory listing · Official event information
Kids in Aviation Day — Payette
Curious about airplanes? Friends of the Payette Airport invites families to explore aircraft, meet pilots and try hands-on STEM activities at the first annual Kids in Aviation Day.
- When: Saturday, September 26, 11 a.m.–4 p.m.
- Where: Payette Municipal Airport (S75), Payette, Idaho. Use the organizer’s map and event signs for the entrance.
- Cost: Free.
See the Kids in Aviation directory listing · Event information from the Idaho Aviation Association
Crystal Festival — Pocatello
Bring your rock collectors and budding geologists to a weekend of minerals, gemstones, fossils and crystals. Browse vendor displays together and visit the Kids Corner for hands-on activities and Earth-science exploration.
- When: Saturday and Sunday, September 26–27, 10 a.m.–8 p.m. each day.
- Where: Mountain View Event Center, 1567 Way to Grace Avenue, Pocatello, Idaho.
- Cost: Free admission and parking; purchases cost extra.
See the Crystal Festival directory listing · Organizer’s event details
More ways to explore Idaho together
Browse the Idaho Family Fun Community Calendar for more upcoming events, or find a nearby park, museum or indoor stop in our Family Fun Places directory.