Hooker's Indian Pink

Hooker's Indian Pink/Silene hookeri

Silene hookeri is a species of flowering plant in the family Caryophyllaceae known by the common names Hooker's silene,Hooker's catchfly, Hooker's Indian pink, and Hooker's glandular campion. From Wikipedia, more information at the link

It is native to the coastal and inland mountains of Oregon and northwestern California, where it grows in woodlands and forests in sandy and rocky soils, sometimes on serpentine, up to elevations around 1400 meters.