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Trillium Lake Crag (Mosquito Butte) Rock Climbing

Climbing Area Map

Areas in Trillium Lake Crag (Mosquito Butte)

Section 1 0 / 4 / 3 / 0 / 0 / 0 / 0 / 0 / 4

Section 2 0 / 6 / 4 / 0 / 0 / 0 / 0 / 0 / 7

Section 3 2 / 5 / 1 / 0 / 0 / 0 / 0 / 0 / 7

Section 4 4 / 0 / 0 / 0 / 0 / 0 / 0 / 0 / 4

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Elevation:	3,693 ft	1,126 m
GPS:	45.27641, -121.73401 Google Map · Climbing Area Map
Page Views:	27,902 total · 343/month
Shared By:	John Barkhausen on Jul 17, 2018
Admins:	Roberta Zouain, Micah Klesick, Nate Ball Page Updates (admin only)

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Description

Trillium Lake Crag, also known as Mosquito Butte, is a small crag just around to the north side of Trillium Lake. At about 30' high, it doesn't hold the longest or most epic routes, or even the most aesthetically pleasing routes, but it does provide some fun, moderate, mostly sport climbing in a beautiful setting.

You can access most of the anchors from above, but beware of getting down to some of the lower ones. There are some trees, and even an extra bolt, to create tethers to access some of the lower anchors to set up top ropes.

Getting There

Turn off of hwy 26 in between Government Camp and the spit of 26/35, onto forest road 2656. There will be signs for Trillium Lake Campground and Day Use areas. Drive to the end of the road, where you will reach the Day Use Parking Area. Hike on the Trillium Lake Trail North, around the lake. Near the Northeast corner of the lake, when you're near the marshy area, look for a climber's trail to your right. Take that for 5-10 minutes and you will see the crag.

22 Total Climbs

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Classic Climbing Routes at Trillium Lake Crag (Mosquito Butte)

Mountain Project's determination of the classic, most popular, highest rated climbing routes in this area.

5.7 5a 15 V+ 13 MVS 4b 25 ● Unnamed 5.7 Sport, TR Section 2
5.8 5b 16 VI- 15 HVS 4c 5 ● Unnamed Trad Section 4
5.8 5b 16 VI- 15 HVS 4c 5 ● Another Unnamed Route Sport Section 2
5.8 5b 16 VI- 15 HVS 4c 15 ● Unknown 5.8 Sport Section 3
5.9 5c 17 VI 17 HVS 5a 5 ● Unnamed Trad Section 4
5.9 5c 17 VI 17 HVS 5a 8 ● Unnamed 5.9 Sport, TR Section 1
5.9 5c 17 VI 17 HVS 5a 15 ● Unnamed 5.8 Overhang Sport, TR Section 2
5.10- 6a 18 VI+ 18 E1 5a 4 ● Rock Horn Trad Section 3
5.10 6b 20 VII- 19 E2 5b 6 ● Unnamed 5.10 Sport, TR Section 1
5.10b/c 6b 20 VII 20 E2 5b 16 ● Pump up the Slab Sport Section 3
5.10+ 6b+ 21 VII+ 20 E3 5b 7 ● Unnamed 5.10+ Arête Sport, TR Section 1
5.11a 6c 22 VII+ 22 E3 5c 7 ● The Actual 5.11a Sport Section 3
5.11c 6c+ 24 VIII- 24 E4 6a 5 ● Unnamed 5.11 Sport, TR Section 3