Umpqua Safari RV Park
Campground
Campground · 10 mi from the trail
Oregon · Rock climbing · Roseburg · Near Myrtle Creek
Invisabolt
- 5.10b
- grade
- Sport Bolted
- style
- May–Jun, Sep–Oct
- best months
This route represents the hardest climb catalogued at Twisted Sister Formation, where five routes span from 5.5 to 5.10b. First ascent by Greg & Chandler Orton, 2013.
Around this trail
Add any of these when you start a tripSleep close Eat after White Rhino Cafe and Event Center
Restaurant
On your way back · 9 miIf it rains The Arts Center
Gallery
On your way back · 10 mi
Places © OpenStreetMap contributors
More in Myrtle Creek- Nearby · Schoolhouse Rocks · Troll's Throne · Tower of Doom
Best time to go · May–Jun, Sep–Oct
Best time to visit Invisabolt
Best months: May–June and September–October. 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
53° / 37°
19 wet
Feb
57° / 37°
17 wet
Mar
62° / 39°
18 wet
Apr
66° / 41°
15 wet
May
74° / 47°
12 wet
Jun
80° / 51°
6 wet
Jul
88° / 55°
2 wet
Aug
89° / 54°
2 wet
Sep
84° / 49°
5 wet
Oct
71° / 43°
12 wet
Nov
58° / 41°
18 wet
Dec
51° / 37°
20 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Riddle, OR, 21.5 mi away at 680 ft. The station sits about 1,600 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more climbs worth the drive
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