From I-5 Southbound
- Exit I-5 at the Salem Parkway, exit 260A.
- Remain on the Parkway as it becomes Hwy 219 and follow the signs to Hwy 22/99W to Monmouth.
- Turn south at the Hwy 22/99W intersection.
- Proceed south on Highway 99W through Monmouth and past Adair.
- Almost immediately after milepost 76, turn right on Arboretum Road at the green sign directing travelers to Peavy Arboretum.
- Continue south on Arboretum Road approximately 0.8 miles to the entrance to Peavy Arboretum.
- Stay to the left and follow signs to the gray field office.
- Visitor parking is available immediately in front of the office.
From Corvallis
- Drive north on 3rd Street (which is highway 99W) or 9th Street (if driving north on 9th, a 1/2 block jog to the east will be required to join highway 99W at Conifer Boulevard).
- Proceed northbound on 99W past Lewisburg.
- Shortly after milepost 78 turn left onto Arboretum Road at the green sign on the right side of the road directing travelers to Peavy Arboretum.
- Continue north on Arboretum Road approximately 3/4 mile to the entrance to Peavy Arboretum on your left.
- Stay to the left and follow signs to the gray field office.
- Visitor parking is available immediately in front of the office.
From I-5 Northbound
- Exit I-5 at the Corvallis exit, number 228, onto Highway 34.
- Continue on highway 34 (paying attention to the 55 mph speed limit) and cross the Willamette River.
- At the foot of the bridge, turn right onto 3rd Street (which is Highway 99W) and follow the "From Corvallis" directions above.
From the West
- Enter Corvallis on Highway 20/34.
- Exit the highway shortly after the entrance to Avery Park at the "Downtown Corvallis" sign.
- Proceed northbound on 3rd Street, which is Highway 99W, and follow the "From Corvallis" directions above.
