Cal Anderson Park, Public park in Capitol Hill, Seattle

Cal Anderson Park is a public park in Capitol Hill featuring about 7 acres with a central fountain, reflecting pools, and manicured green spaces. It contains tennis courts, basketball areas, a children's playground, and the Bobby Morris Playfield for organized recreation.

Lincoln Reservoir was begun in 1889 in response to the Great Seattle Fire of that same year and completed in 1901. A parcel just south of it was named Lincoln Park the same year, and the Olmsted Brothers designed the park. In 1922 the playfield was renamed Broadway Playfield, and on April 10, 2003, the whole site became Cal Anderson Park.

The site was renamed Cal Anderson Park on April 10, 2003, after Cal Anderson, Washington's first openly gay state legislator, who died of AIDS-related complications in 1995. The park sits in Capitol Hill, and its renaming tied the green space to the neighbourhood's LGBTQ+ history.

The northwest corner, at East Denny Way and Nagle Place, holds an entrance to the underground Capitol Hill Station on Sound Transit's Link light rail. The wading pool runs in summer from 12:00 to 7:00 p.m. The tennis courts are caged and lit for evening play.

The reservoir beneath the lawn was rebuilt from 2003 to 2005 as a covered basin, so the open grass hides a working water storage structure. The pumphouse at the south end of the reflecting pool carries three guerrilla mosaics, among them one titled Hot Rat Summer. The park's northwest corner, at East Denny Way and Nagle Place, holds an entrance to the underground Capitol Hill Station.