When is parking likely to be full?

Parking at the trailhead can fill up, especially on weekends. It was about two-thirds full by mid-morning on a Friday [September 18](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-09-20.182848811485) and full by 10 am on a Saturday. Arriving earlier in the morning, such as around 7 am, can help secure a spot.

Are there any significant trail obstacles?

The trail is reported to be in great condition with no significant obstacles like blowdowns as of [August 13](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-14.070217106990). There were a few wet areas noted on [September 14](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-09-15.082123015639), and a challenging stream crossing was reported on the way to Blazer Lake on August 28, though this is beyond Mason Lake itself.

Are there any current bug issues?

Bugs are not a significant concern on this trail. Multiple reports from August and September indicate no bugs or that they were not too bad. One report from [August 13](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-14.070217106990) did mention being harassed by a bug, possibly a hornet, for about half a mile on the way back.

Ira Spring Trail - Mason Lake

Snoqualmie Region

updated 5 days ago

HOOK: fall colors are out HOOK: ripe blueberries are available

The Ira Spring Trail to Mason Lake is in excellent condition, with no snow reported since mid-August. The road to the trailhead is generally good, suitable for all vehicles, though a few potholes have been noted and drivers with low clearance should be cautious. Fall colors are beginning to appear, especially in the upper sections of the trail, and ripe blueberries and huckleberries can be found closer to the lake. Bugs are not a significant issue, and water crossings are manageable. Parking can fill up, particularly on weekends, with reports of it being two-thirds full by mid-morning on a Friday September 18 and full by 10 am on a Saturday. Forest Service rangers have been present, checking for passes.

Generated from 190 trip reports. Trails change faster than reports do, so check anything you’d turn around for.

What hikers ask about Ira Spring Trail - Mason Lake

Generated from the most recent trip reports, newest 5 days ago. Check anything you’d turn around for.

The road to the trailhead is generally in good condition and suitable for all vehicles. However, a few potholes have been reported, so drivers with low clearance should exercise caution. The road was described as the best it has ever been in August 28, with no potholes encountered.