Mt. Thielsen Climb
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Start date: 06/28/2025
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Start time: 5:00 AM
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End date: 06/28/2025
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End time: 2:30 PM
Description:
We will be ascending Mount Thielsen via the West Ridge. More information on the route can be found here: https://www.summitpost.org/west-ridge/155580. It is close to 4000’ elevation gain and 10 miles round trip. The last 100’ are on fairly good rock. We will have fixed ropes to ascend the summit pitch and then we’ll rappel down at the end.
The climb will start at 5:00 AM so climbers may want to camp at the trailhead the night before. A Northwest Forest Pass is required at the trailhead.

Photographer: Jamie Sullivan Photo by: Jamie Sullivan
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Event Leader: Jamie Sullivan
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Event Leader Phone: 541-517-4442
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Event Leader Email: Sullijam@gmail.com
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Assistant Leader: Maryanne Reiter
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Event category: Climbs
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Area Type: Mountain
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Departure Location:
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Rating: Difficult
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Roundtrip total drive miles: 260
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Season: 2025
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Permits Required:
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Event Status: Passed
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Supplies and Equipment Required: Comfortable hiking boots (not stiff). Light hikers ok Helmet Belay/rappel device Climbing Harness 3 carabiners (locking) 2 prusiks at least 1 personal anchor Backpack (large enough to carry your gear and group gear) Synthetic quick pants, drying t-shirt and long-sleeve shirt Thick fleece/puffy Lightweight Shell jacket and pants Socks-wool or synthetic Lightweight gloves Warm hat- needs to fit under helmet Sun hat Headlamp and extra batteries Sunglasses Water (2 liters minimum) Food Emergency Kit (whistle, space blanket, knife, lighter, map, compass, GPS) Sunscreen Lip balm Toilet paper and baggies for used TP personal first aid- ibuprofen, moleskin, etc Trekking poles for hike in (nice to have) Bug spray
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participant prerequisites: Participants must be in good physical condition and able to climb 5.2 rock on a fixed line as well as know how to rappel.
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Conditions:
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Total Distance: 10
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Member Fees: —
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Elevation Gain: 3800
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Non-Member Fees: 30
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Committee: Climbs
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Junior member fees: —
