Pendleton Oregon – Tripadvisor: Things to Do in Pendleton
https://www.tripadvisor.com/Attractions-g52016-Activities-Pendleton_Oregon.html

Travel Oregon: Where the West is Still Wild
https://traveloregon.com/places-to-go/cities/pendleton/

Echo, Oregon (20 miles away) Travel Oregon: Echo, Oregon
https://traveloregon.com/places-to-go/cities/echo/

Walla Walla, Washington (34 miles away) – Tripadvisor: Things to Do in Walla Walla, WA
https://www.tripadvisor.com/Attractions-g60992-Activities-Walla_Walla_Washington.html

La Grande, Oregon (42 miles away) – Tripadvisor: Things to Do in La Grande, OR
https://www.tripadvisor.com/Attractions-g51936-Activities-La_Grande_Oregon.html/

Trailforks is a great website that includes trails for mountain biking and other activities. It is a rapidly growing database of 149,905 trails in over 101 countries.

Local mountain biking options:

Pendleton Adventure Trails Recreational Area (PATRA)
https://www.trailforks.com/region/pendleton-adventure-trails-recreational-area/

Mount Emily Recreational Area (MERA)
https://www.trailforks.com/region/mount-emily-recreation-area/

Echo West Vineyard
https://www.trailforks.com/region/echo-west-vineyard-22658/

Umatilla County road cycling opportunities:

Pendleton on Wheels map of rides
http://www.pendletononwheels.org/wp-content/uploads/2016/04/2014-UmatillaCo-BikeMap-Optimized.pdf

Blue Mountain Scenic Bikeway  (century loop)
https://ridewithgps.com/ambassador_routes/42-blue-mtn-century-scenic-bikeway

Northeastern Oregon (including road, gravel, trail riding)
https://www.lagranderide.com/road-bike

Oregon Trail History

Blue Mountain Interpretive Park aka Oregon Trail Interpretive Trailhead
Experience the Oregon Trail as the pioneers did!
https://www.fs.usda.gov/recarea/wallowa-whitman/recarea/?recid=52097