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Upcoming Events at Lewiston Roundup Grounds
September 2026
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The venue
About Lewiston Roundup Grounds
Lewiston Roundup Grounds is a premier multi-use facility operated by the Lewiston Roundup Association in Lewiston, Idaho. The complex features the ICCU Outdoor Arena and the Indoor Arena, set on over 70 acres of grounds that host major rodeo events, clinics, and community gatherings. Whether you’re attending the Lewiston Roundup Rodeo, a women’s clinic like Chicks N Chaps, or an after-event vendor fair, you’ll find straightforward ticketing, convenient access, and practical amenities for a smooth experience.
Secure your seats with confidence—we’ve got you covered with up-to-date event details, seating options, parking information, and local hotel and dining recommendations to help you plan your visit to Lewiston’s standout venue.
Venue highlights include the ICCU Outdoor Arena with a capacity of 7,000, a spacious arena roughly 250 by 350 feet, six bleacher sections, and a Crow's Nest viewing area above the north grandstands. The Indoor Arena accommodates up to 300 seated guests across three bleacher sets, offering a cozy indoor setting for smaller events. The grounds also feature an on-site RV camping area with 40 hookups, on-site concessions, and restrooms/showers for a comfortable event experience.
Events at Lewiston Roundup Grounds span rodeos, clinics, and community festivals. When planning your visit, check event-specific details for date, entry, and seating notes, including any relocations or delays. We’ll guide you to tickets, parking, and nearby lodging to make your trip easy and enjoyable.
Explore nearby accommodations and dining through trusted partner options, optimized to help you secure convenient stays and tasty meals before or after events. Remember, dates and availability may vary, so confirm specific details for your chosen event.
Good to know
Seating, Parking & Venue Information
- Location/address: Lewiston Roundup Grounds, 2100 Tammany Creek Rd, Lewiston, ID 83501
- Venue type: multi-use facility operated by the Lewiston Roundup Association; includes ICCU Outdoor Arena and Indoor Arena
- Outdoor arena capacity: 7,000; arena size roughly 250' x 350'; 6 bleacher sections; Crow's Nest viewing above the north grandstands
- Indoor arena capacity: 300 seating; arena size approximately 115' x 200'; 3 bleacher sets
- Total grounds: over 70 acres; RV camping area with 40 hookups; on-site concessions and restrooms/showers
- Notable events: Lewiston Roundup Rodeo (PRCA/Big 4 circuit); Chicks N Chaps women’s rodeo clinic; after-rodeo entertainment and vendor fair
- Renamed/notable naming: the Outdoor Arena is named Idaho Central Credit Union (ICCU) Outdoor Arena; venue remains Lewiston Roundup Grounds