RJM Design Group Appointed as Landscape Architecture and Planning Lead for Ontario Sports Empire

ONTARIO, Calif. - EntSun -- Ontario, CA — RJM Design Group has been selected to provide landscape architecture, master planning, and site design services for the Ontario Sports Empire, a transformative 190-acre sports destination currently in development and scheduled to open in Fall 2026. Upon completion, the project will become the largest multi-sport complex west of the Rocky Mountains, positioning Ontario, California as a premier host city for major regional and national sporting events.

The Ontario Sports Empire is envisioned as a next-generation athletic campus designed to accommodate elite competition, community recreation, and large-scale tournaments. The expansive site will feature 20 long fields, 14 youth diamond fields, 8 full-size diamond fields, 4 football and rugby fields, and 2 championship-level baseball fields, creating one of the most comprehensive field inventories in the United States.

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Located just 10 minutes from Ontario International Airport, the complex is strategically positioned to attract teams, families, and spectators from across the country, reinforcing Ontario's role as a destination for sports tourism and year-round athletic programming.

RJM Design Group's scope of work includes integrated site planning, landscape architecture, and experiential design, with a focus on creating a cohesive environment that balances high-performance athletic infrastructure with welcoming public spaces. The firm's approach prioritizes circulation, usability, spectator experience, and long-term operational efficiency while supporting the scale and intensity of tournament-level use.

In addition to its extensive athletic facilities, the sports park will offer a wide range of spectator and family-oriented amenities, including a dedicated family activity area, large video display boards, shaded seating, passive turf zones, and elevated pedestrian concourses for optimal field viewing. Supporting features will include restroom and concession buildings, upper-level restaurant-style deck seating, three playgrounds, batting cages, interior walking paths, and cohesive monument and wayfinding signage throughout the site.

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Key Elements of the Ontario Sports Empire

• 190 acres of athletic facilities
• 20 long fields
• 14 youth diamond fields
• 8 full-size diamond fields
• 4 football / rugby fields
• 2 championship baseball fields
• Family activity area
• Large video display boards
• Seating, shade, and passive turf areas
• Elevated spectator viewing concourses
• Restroom and concession buildings
• Upper-level restaurant-style deck seating and field viewing
• 3 playgrounds
• Batting cages
• Surface-level parking and parking structure
• Pedestrian and vehicular drop-off / loading zones

IN THE NEWS

https://rjmdesigngroup.com/ontario-sports-empire/

For additional information about RJM Design Group and updates on the Ontario Sports Empire as it approaches its Fall 2026 opening, visit RJM Design Group's official channels.