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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 Connector #COUGAR-C5,Coal Creek Falls #COUGAR-C4,Cave Hole #COUGAR-C3,Red Town #COUGAR-W2,Quarry #COUGAR-C6 — Jan 02, 2006 — Alpine Art
Day hike
Issues: Mudholes
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After viewing the North Fork falls a few days earlier I decided to walk to Coal Creek Falls. These falls and...

After viewing the North Fork falls a few days earlier I decided to walk to Coal Creek Falls.

These falls and the creek were running high with lots of water coming down. The trails are in good shape with some mud but not as much as one might expect after 6 to 7 days of rain.

The attached photo gives a good idea of water levels in Cougar Mt. Park. I noted creeks running in places I had never seen or heard them.

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Cougar Mountain Trails — Feb 13, 2005 — Lisa, Phillip and Lucy
Day hike
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This was supposed to be a very brief outing to test some recent footwear updates, but we got carried...

This was supposed to be a very brief outing to test some recent footwear updates, but we got carried away, and zigged around for almost seven miles. First time I have been here. This trail system is reminiscent of an ikea floor plan, but fortunately much less peopled on Sundays in February, and with much better signage.

The leaves are starting to come out on deciduous huckleberries, and there are a lot of them, here. What I think is Oemleria cerasiformis (Indian-plum, Osoberry) is leaving out on southern slopes, and we even saw one flower. The sun peaked out occasionally, and not a drop of rain, but it still looks very much like winter.

There were a few very small blow-downs, but not worrisome enough to check as a 'problem'.

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Anti-Aircraft Ridge #COUGAR-N7,Cougar Pass #COUGAR-N8,Shangri La #COUGAR-E1,Cave Hole #COUGAR-C3,Fred's Railroad #COUGAR-C7,East Fork #COUGAR-C8,Tibbett's Marsh #COUGAR-N9,Coal Creek Falls #COUGAR-C4,Klondike Swamp #COUGAR-N5 — Dec 04, 2004 — Quadgemini
Day hike
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After enduring months of seeing Coal Creek Falls as nothing more than a trickle, it's invigorating to see it...

After enduring months of seeing Coal Creek Falls as nothing more than a trickle, it's invigorating to see it at a more robust flow than at our last visit, in September. Weather: chilly, around 40 and falling, persistent mist, turning to steady light drizzle.

We began about 9 a.m. from the Anti-Aircraft Peak Trailhead; three hikers were coming out as we went in, but very few others were encountered, thanks to the threat of snowstorm looming later in the day.

Entry trails were in fairly good shape, for December. Further along AA Ridge it got a bit boggy and slippery, but easily passable, and my feet stayed dry in tennis shoes. Most deciduous foliage is gone, of course, so Cougar's heavily-canopied trails are actually brighter now, in spite of gloomy skies. Glistening Oregon grape and sword fern were the dominant greenery; the ""grape"" is crowding the narrower trails quite a bit in many places. Many fungi present, but I'm embarrassingly ignorant of mycology. The only wildlife we observed were the usual juncos, chickadees and wrens; not even towhees or squirrels.

We were very pleased to see good flow in the East Fork of Coal Creek where the Clay Pit bypass crosses. Cave Hole Road is not in very good condition: in most places only one rut was passable, the other either too eroded or too muddy. Several clumps of comfrey were evident on the Falls trail -- I hadn't noticed them there before....is that just because of less foliage now, or is this a climate-related change?

Coal Creek Falls were very nice, probably about 10 to 20 percent of maximum flow. These falls are a wonderful place to sit, rest, meditate; and now while the flow is only moderate it's even a good place for conversation.

We returned the same way we entered. I was pleased to make it all the way up the Cave Hole Road grade non-stop; a tough walking hill. We got back to our vehicle just as the weather took a turn for the worse.

For a moderately-long but quiet, easy hike to a nice destination, this is hard to beat, any time of year.

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Anti-Aircraft Ridge #Cougar-N7,Cave Hole — Nov 28, 2003 — Alpine Art
Day hike
Issues: Mudholes | Water on trail
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What a lot of trails for such a short hike! I covered about 5 miles of wet soggy trail...

What a lot of trails for such a short hike! I covered about 5 miles of wet soggy trail in Cougar Mt. park on Friday. The hike was in solitude but the trails are very wet with standing water and mud-holes.

The purpose was to see Coal Creek Falls in winter and the hike was worth it. Heading from the AA Peak Trail head I walked down Lost Beagle to the Klondike Swamp, then via a connector to Cave Hole, down to the Coal Creek Falls trail. Most of these trails are in good if slightly muddy condition. The falls trail is in excellent shape and you can hear the water roaring over the falls as you get near.

After a snack and some photos, I continued on to the Quarry Trail, then back via Fred's Railroad, AA Ridge to my car.

I saw only one other person on the hike and no wildlife. The rain was constant and I was soaked but happy on getting back to my car.

Hike took about 3 hours.

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Coal Creek Falls #COUGAR-C4,Deceiver #COUGAR-S3,Quarry #COUGAR-C6 — Oct 21, 2003 — Whitebark
Day hike
Issues: Blowdowns | Water on trail
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I went on a little jaunt to Couger mountain to see how the trails and waterfalls were doing after...

I went on a little jaunt to Couger mountain to see how the trails and waterfalls were doing after Tuesday's deluge. The weather was strange that day; warm, humid, and misty, reminding me of hiking in Hawaii. Coal Creek Falls was well worth the trip; with the huge volume of water going over it, the falls resembled a mini-Niagra. Mossy Doughty Falls, perhaps the prettiest falls in the park, was flowing quite nicely, too.

The spot where the Deciever Trail crosses the creek near Doughty Falls is one of the pleasant places in the park. There's a pool of water next to a hollowed-out cedar log, which the trail cleverly uses as a bridge. Above, autumn-golden maples provide a colorful canopy.

Despite all the rain, the Couger Mountain trails are in amazingly good shape, thanks to all the work by the WTA and others. There's spots on the Quarry trail with water running on the tread, and a few blowdowns here and there. You can hike in low top sneakers on most of the trail system and your feet will hardly get damp.

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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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