James R. Bryant Dog Park sits on a wide-open lot with real grass underfoot—the kind that actually absorbs water and gives your dog’s paws something soft to work with. The park feels less cramped than many inland San Bernardino County parks, with genuine room for dogs to chase without feeling like they’re running laps around a postage stamp. The fencing is solid and high enough that even ambitious jumpers stay contained.

The park divides neatly into two sections: a larger area for standard dogs and a separate enclosure for dogs under 20 pounds. Water stations are scattered around, which matters in Ontario’s desert heat—refill before you leave home, but the park does provide. Shade comes from a few mature trees and some structures, though midday sun is relentless here from June through September. The park runs dawn to dusk, and early morning (before 9 a.m.) is noticeably quieter than late afternoon when people get off work.

The park sits on West Flora Street on Ontario’s west side, accessible from the nearby freeway corridor but far enough from the chaos to feel genuine. Decomposed granite surfaces the grounds in some sections, mixed with the grass. Summer temperatures regularly hit the mid-90s, so avoid the 11 a.m. to 4 p.m. window if your dog isn’t heat-acclimated. Winter is the sweet spot here—clear, dry, and cool enough for real playtime. The park closes at dusk year-round, so plan your visit with the shorter winter daylight in mind.