Travel
The ceremony and reception is in downtown Mcminnville. Its a very walkable town.
Lodging!
Staying in Mcminnville is the best option with lots of options walkable to the venue. But there are many wineries and bed and breakfasts in the surrounding area of the Willamette Valley.
Places to stay in Mcminnville: Mcmenamans, The Atticus, A Tuscan Estate, and VRBO has some great options for bigger groups.
Traveling to Mcminnville!
The closest airport is PDX. You will need to rent a car. Mcminnville is about an hour southwest of Portland. A shuttle is also an option if your accommodation is within walking distance of downtown Mcminnville.
Things to do!
Wineries close by to visit: Stoller Winery, Domaine Serene, Brittan Vineyards, Durant and White Rose
Places to Eat: Pizza Capo, Nicks Italian Cafe, Community Plate, Pura Vida
Hikes: Miller Woods, The Trappist Abbey and Retreat