Foster and Marsh Island Loop

Puget Sound and Islands

updated 1 month ago

The Foster and Marsh Island Loop is currently closed as of August 17. Despite the closure, visitors can still access Foster Island for views of the water, wetlands, and the 520 Bridge. The trail itself was reported to be in good condition, snow-free, and the road suitable for all vehicles, with no bugs noted on August 17. The reported parking was at Arboretum Parking Lot 15.

Generated from 16 trip reports. Trails change faster than reports do, so check anything you’d turn around for.

What hikers ask about Foster and Marsh Island Loop

Generated from the most recent trip reports, newest 1 month ago. Check anything you’d turn around for.

No trip reports on this trail in 1 month, so everything below is at least that old.

No, the Foster and Marsh Island Loop is currently closed as of August 17. It is not possible to complete the full loop.

More in Puget Sound and Islands

Trail notes generated from recent reports. Conditions change fast.

View on WTA

Sources

Puget Sound and Islands > Seattle-Tacoma Area

We parked at Arboretum Parking Lot 15 and walked to the Arboretum Waterfront Trail through Memory Point.The Foster Island and Marsh Island Loop is currently closed, but we were still able to walk onto...

Puget Sound and Islands > Seattle-Tacoma Area

My husband and I walked the first part of the Foster and Marsh Island loop. We parked at the north end of the Arboretum, and the first portion of the trail that goes under the 520 overpass was very ni...

Puget Sound and Islands > Seattle-Tacoma Area

I was going to hike from the old MOHAI area across Foster Island to the Arboretum but the trail is definitely closed.  It was easy enough to follow the new bike/walking path across 520 to the Arboretu...

Puget Sound and Islands > Seattle-Tacoma Area

Seattle Olmsted Circuit, Section 3 Loop Option.  Husky Stadium to Marsh and Foster Islands then to visitor center, Azalea Way, Loop Trail and exit up Boyer to enter Interlaken Park but exit before hea...

Puget Sound and Islands > Seattle-Tacoma Area

Did a run through Foster and Marsh Islands trail (i.e., through the Arboretum to the University of Washington Link Station) after a day with pretty heavy rain. The trail is in good condition. The wate...

Puget Sound and Islands > Seattle-Tacoma Area

Lovely walk and talk with our friends and a 4 and 5 year old (who mostly biked). Amazing bird action and the real highlight for me was so much beaver sign way out on Marsh Island. There are also 2 gia...

Puget Sound and Islands > Seattle-Tacoma Area

Walked the Foster/Marsh Island loop trails after walking down from the Union Bay Natural Area.  There is limited parking over at the Arboretum or you can access on the northwest end walking down throu...

Puget Sound and Islands > Seattle-Tacoma Area

I went running through the trail and the arboretum from Madison and through Foster and the Marsh Islands and up to Montlake. The colorful fall leaves are doing great! I didn't encounter any mud on the...

Puget Sound and Islands > Seattle-Tacoma Area

West bridge to Marsh Island is closed, so you can’t do the loop. Trail over the water is lovely.

Puget Sound and Islands

Went for a run through the Marsh Islands from Foster Island toward Montlake. The water level is quite high right now. I managed to make it about 100m past two very muddy parts by balancing on the edge...