Washington State Route 821 Wikipedia
State Route 821 SR 821 is a state highway in central Washington state It runs for 25 miles 40 km through the Yakima Canyon following the meandering Yakima River between Selah and ends of the highway are at interchanges with Interstate 82 I 82 and Route 97 US 97 SR 821 was established in 1973 on the old alignment of US 97 which usurped previous state roads that