John Ross, an elliptical condominium tower in Portland, has 31 stories of curved window walls with 303 units, including Penthouse homes with 90 degree, 180 degree and 360 degree views. The John Ross, part of the The River Blocks on the South Waterfront, has views of the city on the north, the Willamette river on the south, mountain on the east and hills on the west. Unit sizes vary widely. Park units on floors 2 to 5 start at 632 sf, tower units on floors 6 to 26 range from 637 to 1826 sf , the penthouse units from 1895 sf to 5035 sf for the 31st floor.