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Copyright © Dan A. Nelson/The Mountaineers Books Sheep Lake and Sourdough Gap
This section of the 2600-mile Pacific Crest Trail (PCT) seems tailor-made for kids and dogs. It's gentle, scenic, and easily accessible, with a great swimming lake, resilient grassy meadows for romping, and easy off-trail scrambles. All this and more awaits hikers willing to share the trail with a lot of fellow nature lovers and the occasional bear--where there are huckleberries, there are sure to be bears, and there are some wonderful huckleberry brambles above this trail. Of course, with plenty of meadows for grazing, rocks to hide among, and trees to perch in, the area is also popular with a host of bird and animal species, including deer, mountain goats, hawks, falcons, marmots, martens, chipmunks, and the ever-faithful friend of hikers, gray jays.
The trail traverses the steep hillside meadows east of Chinook Pass, staying above SR 410 for the first mile. Traffic noise can be heard, and sometimes seen, but the views beyond make up for that. The deep valley of the Rainier Fork American River, with Naches Peak rising on the far side of the valley, is beautiful. Hikers with sharp eyes, or good binoculars, can often pick out hikers rounding the flank of Naches on the PCT, some 3 trail miles to the south. After the first mile the trail veers north, climbing gently up to a bench below Sourdough Gap. Just past the 2.5 mile mark you'll drop into the Sheep Lake basin. The trail to the gap rounds the east side of the lake and begins a moderately steep climb up the valley wall to the rocky saddle of Sourdough Gap at 3.5 miles. Along the way the trail loops through a few switchbacks and offers wonderful views down to the lake and occasionally all the way back down to the trailhead. Sourdough Gap is a small saddle in a jagged-edged ridge. You'll find a few spotty views of Mount Rainier during the approach to the gap, but for the really outstanding vistas you'll need to scramble up the steep talus slope on the northwest side of the gap. A faint boot-beaten path leads to the ridge crest--be careful, though, because the far side of the ridge falls away in a 500-foot cliff. From this ridge you'll be able to look southwest onto the Emmons Glacier of Mount Rainier. Directly below your vantage point is the Crystal Lakes basin--be sure to wave to the hikers clustered on the shores of those pretty lakes. Those who'd rather stick to the established trail will have to forgo views of Rainier, but by continuing on the PCT about 0.25 mile north of Sourdough Gap, you'll find wonderful views east into the meadows of upper Morse Creek, with the blue pool of Placer Lake sitting dead center in the valley. Far beyond is the long spine of American Ridge in the William O. Douglas Wilderness.
Driving Directions:
From Enumclaw drive east on State Route 410 (Chinook Pass Highway) to Chinook Pass. Just east of Tipsoo Lake, turn left (north) into a small trailhead parking lot on the north side of the highway. The trailhead is found on the backside of the lot, behind the restrooms. If the parking lot is full, return to the Tipsoo Lake parking lot at the pass and hike the 0.25-mile trail around the lake to the lower lot and the PCT trailhead. Recent Trip Reports
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Day hike
Features:
Wildflowers blooming
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Wow are the flowers out! But somehow the bugs are not, and neither were the people (surprisingly--ma...
Wow are the flowers out! But somehow the bugs are not, and neither were the people (surprisingly--maybe the cloudy weather on the Puget Sound side of the Mountain kept everyone home?). No guarantees for next weekend of course.
We arrived at 10 am and set off, only seeing one couple on the way to Sheep Lake. While guidebooks generally say the lake is at 2.5 miles, the trailhead sign says 1.5, and I think that's right--there's no way it's 2.5. And it's definitely more than .5 mile from Sheep Lake to the Gap--I think the 3 mile total is accurate, but the fractions aren't. The flowers were gorgeous the whole way (starting alongside the highway). About 10 minutes past Sheep Lake--WOW!! Some of the best flowers I've seen, and so many blooming right now--lupine, paintbrush, aster, some beargrass still, columbine, and many more I didn't recognize. Sheep Lake made for a lovely wade on the way back. The photos are from my phone so sorry for the quality! Day hike
Features:
Wildflowers blooming | Ripe berries
Issues:
Blowdowns
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My third hike this year was the best so far. My grandson Ty accompanied me and we had a great trip. ...
My third hike this year was the best so far. My grandson Ty accompanied me and we had a great trip. We arrived at Chinook Pass at 10:50 AM and temp was 68. The trail was snow free, not like my July 12 hike - lots of snow on the trail. We stopped at Sheep Lake for a quick rest and tromped our way up to Sourdough Gap and traveresed the trail to the Upper Crystal Lake overview. A few bugs, but not that bad at all. We meet only a few fellow hikers, but it is always a joy to stop and talk for a minute. I ran into a gal that grew up in my neighborhood in West Seattle and her brother was a very close friend. I was concerned on the steep trek up to Sourdough Gap that a large tree fall was across the trail. It has been there for over two years now. Heading back out we met a group on horseback headed up the PCT to Snoqualmie Pass and we alerted them of the tree across the trail. The danger of the fall was very serious because of the location on the trail - very steep with no way for a large animal to turn around.
He was very happy that we warned him before the fact. We had a great time while it was 100 in Yakima we enjoyed the wonderful cool breeze at 6200 feet. Overall hike round trip was 6.5 miles. Ed Becker - Yakima Mountain Gote
Sheep Lake and Sourdough Gap
— Aug 12, 2012
— Bsanner
Day hike
Features:
Wildflowers blooming
Issues:
Bugs | No water source
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Our hike to Deep Lake got extended to Sourdough Gap today even though it was unseasonable warm. Key...
Our hike to Deep Lake got extended to Sourdough Gap today even though it was unseasonable warm. Key notables:
- easy to moderate hike - trail in good shape - the first part of the hike takes you easily higher in elevation but is along HWY 410 - road noise removes any sense of solitude - wild flowers in full bloom and perfectly lovely - bugs, but it is August - lots of folks hiking in to camp the night at the lake - lots of great territorial views Nice hike we will do again. Nice to be on the PCT!
Sheep Lake and Sourdough Gap
— Aug 11, 2012
— Courtbirder
Day hike
Features:
Wildflowers blooming
Issues:
Bugs
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8 of us (2 8-year-old girls, a 4.5-year-old boy and their parents) did an overnight backpack trip to...
8 of us (2 8-year-old girls, a 4.5-year-old boy and their parents) did an overnight backpack trip to Sheep Lake with side trips up to Sourdough Gap and beyond to the views of Rainier (once Saturday mid-afternoon by 5 people, one very early Sunday morning by myself).
We left the trailhead at Chinook Pass by 10:45 Saturday and took our time along the trail. One pair of hikers exiting the trail warned us that it was crowded up there and campsites were filling up quickly, so we sent one party member ahead to scout and hold camp spots. By noon we all reached the lake and chose camp sites. There were rapidly melting snow patches here and there but for the most part the trail is dry -- dusty in fact -- and tread is great, all the way up and over Sourdough Gap / PCT. Incredibly beautiful wildflower meadows right now: blooming are lupine, Indian paintbrush, false hellebore, columbines and more. We heard or saw 13 different bird species, 4 deer, chipmunks and pikas. Huckleberries are not yet in bloom, so we hung food from smaller mammals but didn't worry too much about bears. On exiting there was a new sign not posted the day before that emphatically said NO CAMPFIRES though the night before at least 3 groups had fires going. BUGS ARE HORRENDOUS RIGHT NOW. If you have face netting and long sleeved lightweight clothes, bring/wear them. In the valley the higher up you go, the less breeze, so we were pretty toasty (80's) until the sun cleared out of our tent area, then it was very pleasant except for the mosquitoes. They were so bad Sunday morning that everyone just wanted to clear camp and get the heck away from the biting mosquitoes. My daughter ended up with dozens on her arms and face. The only bad part about the entire 24-hour trip. Day hike
Features:
Wildflowers blooming
Issues:
Water on trail | Snow on trail
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At the start of the hike, there is a small snowfield to cross, from the end of the parking lot to th...
At the start of the hike, there is a small snowfield to cross, from the end of the parking lot to the trail itself. The first mile after that is dry. Today was beautiful, clear, sunny, and the views were fabulous.
After the trail turned north I encountered a fair amount of snow, it was melted around trees and under streams but obscured the trail completely. There were no trail markings either, so I cautiously wandered about for 15 or 20 minutes around the little basin, following boot tracks in the snow, hoping to find the trail. Finally I heard people approaching and picked it up where they were descending. If you hike this in the next couple weeks and are not familiar with the trail (I had not been here before) look for the path to be higher up on the left than any of the existing tracks would lead you to. Besides that one shady area, the snow is almost entirely gone all the way to the lake and much of the trail is dry. After entering the lake basin, there is some snow, and a fair amount of water. I rounded past the lake to continue up but found a lot of water and very soft snow with streams running under, not very stable. The pup and I ate a late lunch in the sun and headed back. I would recommend bringing poles with you if you visit in the next couple weeks, but other than that this trail is ready to hike! |
![]() Photo by Hiking Queen.
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