Washington Trails Association
- 520 Trail (wta.org)
Starting at the western end, the trail jumps right up to the elevated road level at East Montlake Park and continues east past Marsh and Foster Islands. There is access to the Arboretum Waterfront and Lake Washington Ship Canal trails from this western starting point as well.
- Washington State Route 520 (Wikipedia)
State Route 520 (SR 520) is a state highway and freeway in the Seattle metropolitan area, part of the U.S. state of Washington. It runs 13 miles (21 km) from Seattle in the west to Redmond in the east. The freeway connects Seattle to the Eastside region of King County via the Evergreen Point Floating Bridge on Lake Washington. SR 520 intersects several state highways, including Interstate 5 (I-5) in Seattle, I-405 in Bellevue, and SR 202 in Redmond.