Is the bridge replacement project near the Sycamore Access Trailhead affecting access to Old Griz?

A trail closure was in effect from October 19 to November 25, 2026, for bridge work near the Sycamore Access Trailhead, as reported on [October 20](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-10-21.040859564671). However, this report also mentioned that hikers were still able to cross the old bridge and continue their hike to Central Peak on that day, suggesting potential intermittent access or that the closure may not directly impact the Old Griz trail itself.

What is the current state of trail obstacles on Old Griz?

As of [October 18](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-10-19.023229847725), the trail has minor obstacles posing few problems, with occasional blowdowns that are easy to walk under. Another report from [August 16](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-16.143816200728) mentioned that the trail was in great condition after being cleared of significant blowdowns from a past storm, though it was starting to get somewhat brushy in places.

When was the last observed fall color on Old Griz?

The most recent observation of fall color was on [October 18](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-10-19.023229847725), with yellow colors noted on vine and big leaf maples on surrounding hillsides. Red and orange hues were also present on some vine maples and trees lower in Issaquah.

Are there any wildlife sightings to be aware of?

A large black bear was observed about 200 feet below the Bullitt Fireplace trail on [August 16](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-16.143816200728), making a displeased huffing sound. No other wildlife sightings were mentioned in the recent reports.

Old Griz

Issaquah Alps

updated 3 weeks ago

Squak Mountain's Old Griz trail is generally in good condition, with most blowdowns cleared, though some areas are becoming brushy. Fall colors, particularly yellow from maples, are present, and numerous mushrooms are visible. One report from October 18 notes that the trail is easy to follow despite some narrow and overgrown sections. The road to the trailhead is suitable for all vehicles, and there are no significant bug concerns as of October 18. A recent trail closure was noted at the Sycamore Access Trailhead for bridge work, though it may not have impacted Old Griz directly.

Generated from 19 trip reports. Trails change faster than reports do, so check anything you’d turn around for.

What hikers ask about Old Griz

Generated from the most recent trip reports, newest 3 weeks ago. Check anything you’d turn around for.

A trail closure was in effect from October 19 to November 25, 2026, for bridge work near the Sycamore Access Trailhead, as reported on October 20. However, this report also mentioned that hikers were still able to cross the old bridge and continue their hike to Central Peak on that day, suggesting potential intermittent access or that the closure may not directly impact the Old Griz trail itself.