Directions to the Washington Park Arboretum
Washington Park Arboretum website
Driving (or walking) from campus
Drive south on Montlake Blvd. After you cross over the Montlake Bridge get into the left lane. Turn left on Lake Washington Blvd (will be after you cross over 520). Turn left onto Foster Island Rd (there will be a Y in the road). Take the first right, which is onto Arboretum Drive E. The Graham Visitors Center will be on your left at the top of the hill.
Go to the Metro King County Transit page for timetables and maps. Route 48 gets you near the Arboretum. It leaves from 15th Avenue NE and NE Pacific Street and has a stop at 24th Avenue NE and E Calhoun Street (Montlake Branch Library).
Walking directions from 24th Ave NE and McGraw St (taken from MetroKC tripplanner).
From the Calhoun street bus stop, walk South along 24th St to E. Lynn St. (Montlake Bike Shop on this corner). Turn left (East) on E. Lynn and follow it to its end; continue on the path into the Arboretum, crossing Lake Washington Blvd on a stone pedestrian overpass. Continue straight east through the Arboretum to the Graham Visitor Center.