Optimist Field at Pioneer Park
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Optimist Field at Pioneer Park is a ballpark in La Grande, Oregon, home of the Eastern Oregon Mountaineers, who play NAIA baseball in the Cascade Collegiate Conference. The closest MLB stadium is T-Mobile Park in Seattle, about 256 miles away.
Ballpark facts
- Location
- La Grande, Oregon
- Home of
- Eastern Oregon Mountaineers
- League / conference
- Cascade Collegiate Conference
Ballparks near Optimist Field at Pioneer Park10
- 1JUCOBlue Mountain Timberwolves Baseball Field — Blue Mountain Timberwolves 41 mi
- 2D-IIIRaymond V. Borleske Stadium — Whitman Blues 52 mi
- 3SummerBorleske Stadium — Walla Walla Sweets 52 mi
- 4JUCOWalla Walla Warriors Baseball Field — Walla Walla Warriors 52 mi
- 5High-AGesa Stadium — Tri-City Dust Devils 80 mi
- 6JUCOColumbia Basin Hawks Baseball Field — Columbia Basin Hawks 80 mi
- 7NAIAHarris Field — Lewis-Clark State Warriors 93 mi
- 8JUCOTreasure Valley Chukars Baseball Field — Treasure Valley Chukars 104 mi
- 9D-IBailey-Brayton Field — Washington State Cougars 106 mi
- 10NAIAWolfe Field — College of Idaho Yotes 132 mi
Other Cascade Collegiate Conference ballparks6
The Eastern Oregon Mountaineers share the Cascade Collegiate Conference with 6 other teams listed on Inside the Park. Here they are, nearest first.
- 1NAIAHarris Field — Lewis-Clark State Warriors 93 mi
- 2NAIAWolfe Field — College of Idaho Yotes 132 mi
- 3NAIAMilwaukie High School — Warner Pacific Knights 222 mi
- 4NAIARoto-Rooter Park — Corban Warriors 242 mi
- 5NAIAHamlin Sports Complex — Bushnell Beacons 256 mi
- 6NAIASteen Sports Park — Oregon Tech Owls 282 mi
Questions about Optimist Field at Pioneer Park
What other ballparks are in the Cascade Collegiate Conference?
6 other Cascade Collegiate Conference teams play at parks listed here. The nearest are Harris Field, Wolfe Field, and Milwaukie High School.
Where do the Eastern Oregon Mountaineers play home games?
The Eastern Oregon Mountaineers play at Optimist Field at Pioneer Park in La Grande, Oregon.
What is the closest MLB stadium to Optimist Field at Pioneer Park?
T-Mobile Park in Seattle, Washington, about 256 miles away.
What other ballparks are near Optimist Field at Pioneer Park?
Blue Mountain Timberwolves Baseball Field in Pendleton is about 41 miles away. See the full list of nearby ballparks on this page.
Facts are for the 2026 season. Distances are straight-line miles between city centers. See something wrong? Let us know. Is this your ballpark? Get the “Listed on Inside the Park” badge for your website.