Is a permit required to hike Mount Jupiter?

A permit may be required for Mt. Jupiter access between August 1 and December 31, according to a sign posted at the trailhead on [August 15](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-18.215956528123). The reported cost of this permit is $400 for both hiking and hunting.

What is the condition of the road leading to the trailhead?

The road is suitable for all vehicles, with the last 2.8 miles being unpaved and somewhat rocky, though without significant potholes as of [August 15](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-18.215956528123). One report from [August 27](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-28.222830609265) noted parking about 100 feet away from a gate, suggesting that the immediate trailhead area might have limited space or be inaccessible by vehicle.

What are the current trail conditions like?

The trail is generally in reasonable condition with minor obstacles posing few problems as of [August 27](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-28.222830609265) and [June 28](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-06-29.122901264039). Some sections can be overgrown, and if clouds are present, expect the vegetation to be wet.

Are there any reports of wildlife or bugs?

In late August, there were plentiful berries noted, but no bugs were reported. Another report from [August 15](https://www.wta.org/go-hiking/trip-reports/trip_report-2026-08-18.215956528123) also mentioned no bugs. In late June, bugs were not considered too bad. Cougars were observed in late August, with scat found on the trail.

Mount Jupiter

Olympic Peninsula

updated 4 weeks ago

A permit may be required for access from August 1 to December 31, though the cost is reportedly high. The road to the trailhead is suitable for all vehicles, though the last 2.8 miles are unpaved and can be rocky. Hikers have noted that the trail itself is in reasonable shape, with minor obstacles posing few problems, June 28. The trail can be overgrown in parts, and visitors should be prepared for damp conditions if clouds are present. There were plentiful berries noted throughout the hike in late August. No bugs were reported in late August, August 15, and bugs were not too bad in late June.

Generated from 14 trip reports. Trails change faster than reports do, so check anything you’d turn around for.

What hikers ask about Mount Jupiter

Generated from the most recent trip reports, newest 4 weeks ago. Check anything you’d turn around for.

No trip reports on this trail in 4 weeks, so everything below is at least that old.

A permit may be required for Mt. Jupiter access between August 1 and December 31, according to a sign posted at the trailhead on August 15. The reported cost of this permit is $400 for both hiking and hunting.