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Coal Creek Falls

Last modified Oct 27, 2009 12:28 PM
Coal Creek Falls. Photo by "Whitebark."

Water, water everywhere and quite a drop it takes! Cougar Mountain's Coal Creek Falls is the primary attraction here, but it's the water underfoot that really makes the area special. Such abundance helps keep the forest green and fragrant, with wildflowers in season--and abundant summer mosquitoes. Come in November through May, when the nights are too cold for these pesky biters and the falls are full of runoff. In the spring you'll find skunk cabbage, and through the early summer you'll enjoy plump, juicy salmonberries. And at the end, you'll enjoy the cool cascade of Coal Creek Falls.


From the trailhead, head up toward Red Town. The route you want veers left onto Cave Hole Trail. Once upon a time, mules pulled wagonloads of coal down this trace, and later, as the coal veins played out, folks used it as an access route to another easily accessible fuel source: firewood. Today's trail uses that same old track.

As you climb away from the old Red Town site, you'll notice areas where the ground seems to have slumped in on itself--these are the cave holes that give the trail its name. The holes formed when miners pushed their underground extractions too close to the surface, leaving a void that eventually caved in, creating a "cave hole" in the ground above.

Less than 1 mile after leaving the trailhead, you'll find the Coal Creek Falls Trail leading off to the right. The path meanders around the upper slopes of Curious Valley before slanting down into a small gulch carved by the tumbling waters of Coal Creek. Here, about 1.25 miles out, you'll find the falls.

Coal Creek Falls can be spectacular during the rainy season of January-March, thundering down the rocky chute. Venture out during a particularly cold spell and you'll find marvelous ice sculptures formed by the splashing and spray from the falls. By midsummer, the falls usually shrinks to nothing more than a small splattering of dribbling streams between the rocks.

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Recent Trip Reports

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There are 24 trip reports for this hike. See all trip reports for this hike.
Coal Creek Falls #COUGAR-C4 — Jan 12, 2008 — whitebark
Day hike
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Coal Creek Falls is running nicely. The trail to the falls has some bad mud holes that need to be...

Coal Creek Falls is running nicely. The trail to the falls has some bad mud holes that need to be drained. I noticed some new piles of gravel and turnpike structures, so it appears that work is in progress to improve the trail.

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Coal Creek Falls #COUGAR-C4,Peggy's Trail #COUGAR-N10 — Dec 06, 2007 — Laura
Day hike
Issues: Bridge out | Mud/Rockslide | Washouts | Water on trail
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I walked several of the City of Bellevue Parks trails post the early December flooding to see what the water...

I walked several of the City of Bellevue Parks trails post the early December flooding to see what the water had done. Both Coal Creek Park and Lakemont Park have significant flood damage. The trail at Coal Creek Park is now temporarily closed from the Red Town Trailhead to Coal Creek Pkwy due to bridges out and trail washouts (the Cougar Mountain side is still open). It was amazing to see the power of water. Part of the trail is passable despite being closed, however there is no access to Coal Creek Pkwy without a couple of bridgeless creek crossings. Peggy’s Trail at Lakemont Park is passable down to Lewis Creek on both sides of the drainage. The trail running parallel to the creek at the bottom of the drainage is completely gone. It is now steep slopes on both stream banks leading to creek bed. It’s really interesting to see where the creek has incised through a few small land slides along the former trail. I wouldn’t recommend trying to traverse this trail unless you have chest waders. I ended up walking through the creek for about ¼ mile to get back. I had anticipated the damage and brought chest waders. The Parks Dept said that they hope to have the trails repaired by the end of the summer of ’08. To check conditions of the closed trails the number posted on the signs is 425-452-6855.

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Wildside #COUGAR-W1,Indian Trail #COUGAR-W7,Quarry #COUGAR-C6,Coal Creek Falls #COUGAR-C4,Cave Hole #COUGAR-C3,Red Town #COUGAR-W2 — Nov 21, 2007 — Alpine Art
Day hike
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Early dismissal from work allowed for a short loop hike in the Alps. I chose a loop to include Coal...

Early dismissal from work allowed for a short loop hike in the Alps. I chose a loop to include Coal Creek Falls. Starting on the Wildside Trail, I noted the Coal Creek was running normally, much better than when I was last in the area. Some mud on Wildside but less than normal. Wildside to Quarry and then to Coal Creek Falls was almost mud free! Coal Creek Falls had a good amount of water coming down making a nice place to take a break. Then back to walking to the car. Dry weather and sun made for a great 1.5 hour or so walk.

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Old Man's Trail C11 #Cougar,Cave Hole #COUGAR-C3,By Pass Trail #COUGAR-C8,Fred's Railroad #COUGAR-C7,Quarry #COUGAR-C6,Coal Creek Falls #COUGAR-C4,Red Town Creek #COUGAR-C2,Military Road #COUGAR-N2,Little Creek Trail #Cougar-N11,Primrose Overlook — Aug 16, 2007 — Alpine Art
Day hike
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After a day at Mt. Rainier I needed to stretch my legs closer to home after a visit to the...

After a day at Mt. Rainier I needed to stretch my legs closer to home after a visit to the dentist. I decided to do a short loop in Cougar Mt. Park which took about 2 hours total and covered about 5 miles.

The trails, including the new ones in the Sky Country Region were all in excellent shape. The Military Road trail can be hard to find when driving 166th but a new sign will help guide people to it from 166th.

The new Sky Country trail head is a great place to start a hike as the road and parking lot are paved and the trail head now allows easier access to a number of the central trails in Cougar Mt. Park.

I did not get to the Primrose Overlook, which must be on the short loop trail. Other than this, the hike was pleasant and relatively quite on this day.

One note Coal Creek Falls has almost no water flowing over it. This is the driest I have seen the area. But I normally do not hike these trails in the height of summer.

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Cave Hole #COUGAR-C3,Coal Creek Falls #COUGAR-C4,Red Town #COUGAR-W2,Quarry #COUGAR-C6 — Dec 27, 2006 — Alpine Art
Day hike
Issues: Blowdowns | Snow on trail
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I wanted to work off some Christmas calories on Wednesday and decided to look at Coal Creek Falls after the...

I wanted to work off some Christmas calories on Wednesday and decided to look at Coal Creek Falls after the rain storm on Tuesday. To my surprise there was lots of snow on Cougar Mt. at low elevations, starting from the Freeway exit to Lakemont Blvd.

The trails were slushy and wet in places but not difficult to navigate with the exception of one blow down on the Quarry Trail which just needed to be pushed down to go over it. The snow and light through the trees was quite nice. This was a first for me in my 8 or so years of hiking this area (lots of snow, mild temperatures for walking, and few people on the trails.)

Coal creek falls was in full force from the recent rain and surrounded by snow on trees and ground. The overall loop took less than 2 hours and proved to be a nice walk.

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Location
Coal Creek Falls (#COUGAR-C4)
Issaquah Alps
King County Parks
2.43 out of 5
Based on 7 votes
Featured In...

Day Hiking: Snoqualmie Region
by Dan A. Nelson and Alan L. Bauer

To buy the full book, including maps, elevation profiles, photos, and more, visit:

A portion of all book sales from the links above benefits WTA and helps protect and maintain our trails.

Information about this hike provided in partnership with Mountaineers Books. Copyright © Dan A. Nelson/The Mountaineers Books

Roundtrip 2.5 miles
Elevation Gain 350 ft
Highest Point 1000 ft
Features
Waterfalls
Wildflowers/Meadows
Guidebooks & Maps
Green Trails Cougar Mountain No. 203S

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Driving Directions
(47.5348, -122.1288) Open in new window
Red Marker Coal Creek Falls
47.5348333333 -122.1288

From I-90 take exit 13 onto Lakemont Boulevard. Drive south on Lakemont Boulevard, which becomes Newcastle-Coal Creek Road. After crossing "The Pass" and starting down, cross Coal Creek and find the trailhead on the east side of the road at a sharp bend in Newcastle-Coal Creek Road.

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