Haller Lake is a small lake and neighborhood in north central Seattle
, named for Theodore N. Haller, who platted the neighborhood in 1905. His father, Granville O. Haller, was one of Seattle's early settlers, an army officer who amassed a large estate in the region.
The lake is located between N. 128th Street to the north, N. 122nd Street to the south, Densmore Avenue N. to the west, and Corliss Avenue N. to the east. It covers 15 acres (6.1 ha); its volume is 247 acre feet (305,000 m3) and its maximum depth is 36 feet (11 m). Its Shoreline
is private except for two public access points, the Meridian Avenue N. right-of-way on the north shore and the N. 125th Street right-of-way on the west. Haller Lake, which has a drainage area of about 280 acres, discharges through an outlet control structure on the west side of the lake that drains to Lake Union
.Within the neighborhood are Northacres Park
, a large, forested public park east of the lake.