By air: The Portland Airport (PDX) and Eugene Airport (EUG) are the nearest international airports. The Portland Airport has many international flights and is approximately 1.5 hours from Corvallis. The Eugene Airport has only a few domestic flights available and is about 1 hour from Corvallis. From Portland, you may take a shuttle bus run by Hut Airport Shuttle. From Eugene, take the Omni Shuttle.
Driving: When driving south from Portland on Interstate 5, you go six miles pass Route 20 into Albany and then turn right (west) on Route 34 into Corvallis, turning right on SW 26th Street, the first street on your right once across the Willamette River and the cloverleaf just to the west of it. Then right again relatively quickly on SW Western Blvd. The Hilton Garden Inn will be immediately on your right and the Stewart Conference center will be across SW Western Blvd. on your left.
Addresses for accommodations: The Conference hotel is the Hilton Garden Inn, 2500 SW Western Boulevard, Carvallis, Oregon 97333. The telephone number is 541.752.5000. On this campus map, it is just below the Stewart Center to the right of the arrow.