“My PDX ride or dies,” The Librarians star, 44, captioned the image on their tandem bike.
Romijn’s husband, Stand by Me star Jerry O’Connell, also Instagrammed an image from their fun family outing.
“We crashed right after taking this tandem bike selfie. #doingitforthegram #ChildServices #pdx,” he wrote.
Last week, the mom-of-two shared a cute clip of the twins doubled-up on their hoverboard.
Last month, the family-of-four enjoyed a getaway in Holland. The X-Men actress and the Jerry Maguire star, 43, shared family photos during their holiday.
A post shared by Rebecca Romijn (@rebeccaromijn) on May 28, 2017 at 6:45pm PDT