Upper Foss River Falls – A Hidden Cascade Gem in Washington State
If you’re chasing the thundering heart of the Pacific Northwest, the towering Upper Foss River Falls should be at the top of your bucket list. Nestled in the rugged wilderness of Tanner, Washington, this 102‑meter (337‑foot) plunge drops with a power that rivals the more‑famous waterfalls of the Cascades—yet it remains a tranquil secret for those willing to venture off the beaten path.
About Upper Foss River Falls
Located at 47.598211 N, ‑121.314452 W, Upper Foss River Falls is a single‑sheet plunge waterfall that tumbles over a sheer cliff into a moss‑lined pool below. With a vertical drop of 102.7 meters, it is one of the tallest waterfalls in the state, offering a dramatic visual that changes with the seasons—from icy ribbons in winter to frothy white sheets in spring melt.
The falls are part of the Foss River system, which drains the alpine basins of the Alpine Lakes Wilderness. While the exact altitude of the falls isn’t listed in official sources, the surrounding terrain ranges from 1,500 to 3,000 feet, indicating that the cascade sits amid dense conifer forests, granite outcrops, and crystal‑clear mountain streams.
Historically, the Foss River area was traversed by Native American tribes who used the river valleys as travel corridors. In the early 20th century, logging and mining operations briefly dotted the region, but the falls themselves have remained largely untouched, preserving their pristine character. Today, Upper Foss River Falls is celebrated by hikers, photographers, and waterfall enthusiasts who value its raw beauty and relative solitude.
How to Get There
From Seattle or Everett
- Drive north on I‑5 to the exit for US‑2 (approximately 2 hours).
- Follow US‑2 east toward the town of Leavenworth.
- Continue past Leavenworth until you reach the small community of Tanner, the nearest settlement to the falls.
Trailhead Access
- The most common access point is a forest service road that leads to a modest parking area near the Foss River trailhead.
- From the parking lot, look for the well‑marked trail that follows the river upstream. The path is a mix of packed earth and natural boardwalk sections, designed to protect the delicate riparian environment.
Navigation Tips
- GPS coordinates (47.598211, -121.314452) will drop you right at the base of the falls.
- A topographic map of the Alpine Lakes Wilderness (USGS Lake Chelan) is helpful for orienting yourself, especially if weather turns foggy.
- Cell service is spotty; consider bringing a paper map or a fully charged offline GPS app.
Best Time to Visit
| Season | What to Expect | Why It’s Ideal |
|---|---|---|
| Spring (April‑June) | Snowmelt swells the Foss River, creating a thunderous, high‑volume cascade. | The falls are at their most powerful, and surrounding wildflowers begin to bloom. |
| Summer (July‑September) | Warm, sunny days with moderate water flow; trails are dry and easy to navigate. | Ideal for photography, picnicking, and extended hikes to nearby waterfalls. |
| Fall (October‑November) | Reduced water volume, vibrant foliage colors (maple, birch, and fir). | The quieter season offers solitude and spectacular autumn light. |
| Winter (December‑March) | Ice‑covered surroundings; the falls may develop a delicate veil of frost. | For the adventurous—photographing frozen waterfalls is a niche but rewarding pursuit. |
Pro tip: Mid‑May through early July typically offers the best balance of water volume and trail accessibility.
What to Expect
The Hike
The approach to Upper Foss River Falls is a moderate 2‑mile round‑trip (depending on the exact trailhead you start from). The trail ascends gently alongside the river, crossing a few small footbridges. Expect elevation gain of around 300 feet, which most hikers in good shape can comfortably manage.
The View
As you near the falls, the forest opens to reveal a wide, mist‑filled gorge. The water plunges in a single, uninterrupted sheet—its roar audible from a distance. At the base, a shallow pool reflects the surrounding cliffs, offering perfect mirror‑like photos on calm days. In summer, the pool is cool enough for a quick dip, though be mindful of slippery rocks.
Wildlife & Flora
The area is a haven for Pacific Northwest wildlife: black bears, marmots, and a chorus of songbirds often accompany hikers. Look for western redcedar, Douglas fir, and western hemlock lining the trail, and keep an eye out for wildflower carpets of lupine, Indian paintbrush, and avalanche lilies in early summer.
Nearby Attractions
While Upper Foss River Falls is the star attraction, the surrounding wilderness boasts several other spectacular cascades within a short radius. Each is reachable via the same trail system, making a waterfall‑hopping day trip an unforgettable experience.
| Attraction | Distance from Upper Foss River Falls | Quick Note |
|---|---|---|
| Lower Foss River Falls | 0.6 km | A lower‑elevation counterpart that offers a gentler cascade—great for a quick photo stop. |
| Big Heart Falls | 1.4 km | A dramatic two‑tiered waterfall that drops into a deep pool, perfect for adventurous swimmers. |
| Malachite Falls | 1.5 km | Known for its turquoise‑green water, the falls get their name from the mineral deposits along the gorge. |
| Lower Copper Falls | 1.6 km | A lesser‑known gem with a series of small drops that create a soothing, melodic soundscape. |
All distances are measured along the trail, not as the crow flies.
Travel Tips
| Tip | Details |
|---|---|
| Start Early | Arriving at sunrise ensures you beat the weekend crowds and capture the falls in golden light. |
| Pack In/Pack Out | The Alpine Lakes Wilderness follows a strict “Leave No Trace” policy—carry out all trash and avoid disturbing vegetation. |
| Footwear | Sturdy hiking boots with good traction are essential; the trail can become slick after rain. |
| Water & Snacks | There are no water sources on the trail, so bring enough hydration and high‑energy snacks. |
| Weather Watch | Mountain weather changes quickly. Check the forecast before heading out and be prepared for rain or sudden temperature drops. |
| Safety | If you encounter wildlife (especially bears), store food in bear‑proof containers and keep a safe distance. |
| Photography | Use a polarizing filter to reduce glare on the water and a wide‑angle lens to capture the full height of the falls. A tripod is useful for low‑light sunrise or sunset shots. |
| Permits | No special permits are required for day hikes, but if you plan an overnight backcountry trip in the Alpine Lakes Wilderness, obtain a Wilderness Permit from the Forest Service. |
| Accessibility | The trail is not wheelchair‑accessible due to natural terrain and footbridges, but it is suitable for most able‑bodied hikers. |
Final Thoughts
Upper Foss River Falls may not have the name‑recognition of Snoqualmie or Multnomah, but its towering plunge, tranquil setting, and proximity to a cluster of other breathtaking waterfalls make it a must‑visit destination for any Washington waterfall enthusiast. Whether you’re seeking a serene spot to meditate to the sound of rushing water, a photographic challenge, or a day of immersive wilderness hiking, this hidden cascade delivers on all fronts.
Pack your boots, charge your camera, and let the mist of Upper Foss River Falls refresh your spirit—Washington’s wild heart awaits.
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