Thunder Knob Trial
Photo: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)- 1.7 mi
- round trip
- 1,061 ft
- climb
- 1,872 ft
- high point
- Out and back
- route
- May–Sep
- best months
Is Thunder Knob Trial open right now?
No closures listed
The National Park Service lists no closures for Ross Lake National Recreation Area.
As of · Source: NPS · Ross Lake National Recreation Area. Agencies don't list every closure — check before you go.
Thunder Knob Trial is a 1.68-mile moderate hike in Ross Lake National Recreation Area in Washington, managed by the National Park Service. The trail is an out-and-back route that starts at about 1,346 feet and climbs to a high point of 1,872 feet, with a total round-trip gain of 1,061 feet. The steepest stretch comes at about half a mile in, where the grade reaches 19%. Summer is the most comfortable time to go. Typical averages from the nearby Ross Dam weather station show July and August highs around 79°F with only six or seven wet days a month, while winter months bring highs in the upper 30s and rain on most days. Thunder Creek Trail lies about 0.6 miles away, and Sourdough Falls Trail and Diablo Lake Trail are each about 2 miles off. For an overnight stay, Goodell Creek Campground is about 7 miles away.
Local outfitters
- Triangle Recreation Camp48 mi away
Not on Roamze yet. Their page has how to reach them.
Thunder Creek TrailHikingPhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)0.6 mi- Sourdough Falls TrailHiking2 mi
- Diablo Lake TrailHiking2 mi
- Diablo WallRock climbing3 mi
- Skagit RiverCanoeing5.4 mi
- Thunder CreekCanoeing6 mi
- Ryan's WallRock climbing6.6 mi
- Goodell Creek CampgroundCamping7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
- Thunder Creek TrailHiking · ~1 min drivePhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)
Happy Creek TrailHiking · ~6 min drivePhoto: Steven PavlovUser:Senapa/TemplateFB, CC BY-SA 3.0 (via Wikimedia Commons)
Ruby Creek TrailHiking · ~15 min drivePhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)- Jackita Ridge TrailHiking · ~15 min drivePhoto: Robert Ashworth from Bellingham, WA., USA, CC BY 2.0 (via Wikimedia Commons)
Stetattle Creek TrailHiking · ~5 min drivePhoto: Seattle Municipal Archives from Seattle, WA, CC BY 2.0 (via Wikimedia Commons)- Colonial Creek Bypass TrailHiking · ~1 min drive
- Pyramid Lake TrailHiking · ~4 min drive
- Thunder Creek TrailHiking · ~4 min drive
- Jack Mountain TrailHiking · ~8 min drivePhoto: Steven PavlovUser:Senapa/TemplateFB, CC BY-SA 3.0 (via Wikimedia Commons)
- Thunder Woods Nature TrailHiking · ~1 min drive
Best time to visit Thunder Knob Trial
Best months: May–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
38° / 30°
18 wet
Feb
41° / 30°
16 wet
Mar
47° / 33°
18 wet
Apr
56° / 38°
14 wet
May
65° / 45°
12 wet
Jun
70° / 50°
11 wet
Jul
79° / 55°
7 wet
Aug
79° / 56°
6 wet
Sep
70° / 50°
10 wet
Oct
56° / 43°
16 wet
Nov
44° / 35°
20 wet
Dec
38° / 31°
19 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Ross Dam, WA, 2.8 mi away at 1,236 ft. The station sits about 600 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
