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Twin Falls to Iron Horse Trail

Our Hiking Time: 3h
Total Ascent: 900ft
Highest Point: 1360ft
Total Distance: 4 miles
Location: N 47° 26.7420, W 121° 42.1800
Required Permit: Discover Pass
Difficulty: Easy

Nathan's PhotoThe high tide of the holidays finally began to recede with the New Year. We’ve been so awash with friends, family, and holiday traditions that we wanted to keep it short and simple this week. With bigger adventures on the close horizon, we settled on exploring the Twin Falls Natural Area, a short hike just off the interstate - famed, according to Mr. Manning, for being the “toddler-friendliest” path in the I-90 corridor.

twin falls hikingwithmybrotherMuch of this landscape has changed since old US10 was the primary thoroughfare for Snoqualmie Pass. The Twin Falls Recreation Area was the first of four parcels that now comprise Olallie State Park, acquired by the Parks Department in 1950 as plans were finalized for early phases of present day I-90. What was a short pullout and trail to the falls overlook on US10 became isolated with the advent of the new freeway. Despite the successful efforts to preserve the land as parkland, access to the falls nonetheless languished. Then, in the early 1980s, the Weeks Falls Hydroelectric Project just upriver from Twin Falls was brought online. This was followed swiftly by a project for Twin Falls, which ultimately led to the rebuilding of the trail in late 1989, as well as the helicopter-assisted bridge construction.  However, all of the Twin Falls hydropower workings are underground or underwater, hidden from view.

The path begins gently, hugging the banks of the South Fork Snoqualmie River for just under a mile before starting a series of ups and downs.  The rushing river is your friendly companion as you press toward the falls through a young forest of pine and alder.  Find the path down to the lower falls near the two mile mark.  It is a short 104 steps down to a the observation deck to take in the stunning cascade and look up at the 80’ bridge spanning the river. Beyond the bridge, the trail winds up to an overlook of the upper falls before ptwin falls hikingwithmybrotherushing onward to connect up with the John Wayne Pioneer Trail.

Accessible year round, this approachable trail is ideal for little hikers, as the falls make for a dramatic end to the hike.  At the same time, because it is so easily accessible, it's a very popular trail, so you can expect some company on this little walk in the woods.

To get there, take Exit 34 off I-90 and take a right. Follow 468th Ave until just before the steel truss bridge where a tiny brown sign reading “Twin Falls” directs you to take a left on 159th St. Follow this for about a half a mile to the trailhead. - Nathan

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Twin Falls


Ezra said...

Do you need snowshoes for this trail?

Jer said...

Hi Ezra,

Most of the year the trail is bare. Last weekend there would have been no snow. However, it's been snowing in the foothills so there could be quite a few inches there right now. If you're going this weekend, snowshoes might not be a bad idea, or at least Yaktraxs or MICROspikes.


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