The Denny Triangle is a neighborhood in Seattle, Washington, United States, that stretches north of Downtown Seattle to the grounds of the Seattle Center. Its generally flat terrain was originally a s
Denny Triangle and South Lake Union skyline in 2018
View of Seattle from Denny Hill in 1882 photograph by Theodore Peiser
The 1884 Denny School (depicted here in 1900) on Battery Street between Fifth & Sixth Avenues was demolished in 1928, one of many major buildings demolished as part of the regrade project.
Idealized bird's-eye view of the area in 1917, between Denny Regrade No. 1 and Denny Regrade No. 2. The major street running roughly horizontally in foreground is Westlake Avenue. The major street headed into the distance at right is Denny Way. Fifth Avenue marked the line between Denny Regrade No. 1 and Denny Regrade No. 2.
The topography of central Seattle was radically altered by a series of regrades in the city's first century of urban settlement, in what might have been the largest such alteration of urban terrain at
A regrade in progress circa 1907. The building under construction is the New Washington Hotel, now the Josephinium at the corner of Second and Stewart.
Railroad Avenue, today's Alaskan Way, depicted here in 1900, was built on fill from the early regrades. To the right in this picture, casting shadows, are the wharves of the Central Waterfront.
A postcard shows the Washington Hotel atop Denny Hill before Denny Regrade No. 1 and the New Washington Hotel (the dark building in the lower picture, now the Josephinum) built on the newly leveled land.
Denny Regrade No. 1 in progress, circa 1910