Hermiston (/ ˈhɜːrməstən /) is a city in Umatilla County, Oregon, United States. Its population of 20,322 [5] makes it the largest city in Eastern Oregon. Hermiston, Oregon, is a thriving city located in Eastern Oregon’s Umatilla County.

Understanding the Context

With a population of over 18,000 residents, Hermiston is the largest city in the county and serves as an important commercial and transportation hub for the region. Hermiston Tourism: Tripadvisor has 3,102 reviews of Hermiston Hotels, Attractions, and Restaurants making it your best Hermiston resource. Hermiston, OR: All You Must Know Before You Go (2026) - Tripadvisor Get directions, maps, and traffic for Hermiston, OR. Check flight prices and hotel availability for your visit.

Key Insights

Hermiston, Oregon, is a vibrant city in Umatilla County, known as the “Hub of Eastern Oregon.” With a rich agricultural heritage, Hermiston is famous for its watermelon farms and friendly community. Its location near the Columbia River gives it both historical significance and natural beauty. Are you planning a weekend getaway to Eastern Oregon soon? Then, read on for the 20 best things to do on your trip to Hermiston, Oregon! Lara J / Shutterstock.com.

Final Thoughts

Hat Rock State Park is a desert oasis in Hermiston boasting 735 acres of natural land surrounded by rolling sagebrush hills. A midsize town nestled in the heart of the Columbia Basin, Hermiston has long been a stopover for travelers. The Lewis and Clark Corps of Discovery passed the distinctive outcropping of Hat Rock, now a state park, and wrote about it in their journals.