James R. Bryant Park is located on the northeast corner of D Street and San Antonio Avenue in Ontario. Owned by the Ontario-Montclair School District and developed in 1977 by the city of Ontario, the park was originally named San Antonio Park. It was rededicated on May 29, 2002 to James R. Bryant Park.
Park amenities include a children’s play area, tot lot, exercise equipment and restrooms. There are basketball courts, a tennis court and a baseball field. Tucked in the northwest corner of the park you’ll find a fully fenced dog park where Fido and roam off-leash.