John Pierce Waterfall
Washington • North Cascades National Park • 66 ft
By Armen Suny · Last verified Oct 2026
LiDAR & 3D terrainPhoto Credits (5)
Difficulty
Drive Up
Trail Length
0.1 miles
Trail Type
Out And Back
About John Pierce Waterfall
John Pierce Falls, called Horsetail Falls until 1972, drops about 66 feet on Horsetail Creek beside the North Cascades Highway (SR 20) in Ross Lake National Recreation Area. It sits about 11.5 miles east of Newhalem and half a mile west of the Ross Dam Trailhead, then cascades over talus down to Diablo Lake. The whole fall is visible from the highway, and the base is about 200 feet from the road.
The Setting
John Pierce Waterfall sits at 1,578 feet within North Cascades National Park, in the hills of Washington. The falls drop 66 feet.
Height: 66 feet
Nearby Falls Worth Visiting
Gorge Creek Falls (242 ft) lies 6.5 miles to the west.
Trail & Hike Details
The Approach
No hiking required. John Pierce Waterfall is accessible by vehicle with a roadside viewing area.
Trail Description
There is no formal trail. Park beside the cliff on the east side of the highway bridge and follow the brushy bench along the creek for about 200 feet to the base of the falls, where the water lands on the old roadbed to Ross Dam.
What to Expect
The falls drop 66 feet. Dogs are welcome.
Accessibility
This waterfall is viewable from a vehicle-accessible area. No hiking is required.
Frequently Asked Questions
🐶 Are Dogs Allowed at John Pierce Waterfall?
✅ Dogs are allowed
Leashed pets are allowed in Ross Lake National Recreation Area, but not in the adjoining North Cascades National Park except on the Pacific Crest Trail.
Are There Any Fees or Permits Required?
🆖 No fees required
🏊 Is There Swimming at John Pierce Waterfall?
❌ Swimming is not allowed
When to Visit
Spring and early summer are ideal times to visit, as the waterfall is typically more active due to seasonal rainfall.
Seasonal Access
The best time to visit is Spring, Summer, Fall, and Winter. Check with North Cascades National Park for current conditions.
Safety Information
The trail may be slippery after rain, so caution is advised. Avoid getting too close to the waterfall, as rocks may be unstable.
Current Water Conditions
These readings come from the USGS gauge on Thunder Creek, 3.4 miles away, not on John Pierce Waterfall's own stream. Use them as a sign of whether the area is running wet or dry.
227 ft³/s
Current discharge — how much water is flowing
About average for this time of year
Based on 96 years of record
7.20 ft
Water depth at gauge
7-Day Discharge Trend
What does this mean for your visit?
Flow is about average for this time of year.
About This Gauge
7-Day Flow Outlook
Based on the USGS gauge THUNDER CREEK NEAR NEWHALEM, WA (5 km away).
Today
Moderate
245 cfs
6/10Tomorrow
Moderate
243 cfs
8/10Thu
Moderate
237 cfs
9/10Fri
Moderate
254 cfs
6/10Sat
Moderate
261 cfs
6/10Sun
Moderate
252 cfs
6/10Mon
Moderate
244 cfs
6/10Best window: Thu — moderate flow, partly sunny (trip score 9/10).
Best time of year: this gauge typically runs highest from late May to mid August, peaking in June.
How we calculate this
This is a transparent outlook, not a precise forecast. We take the waterfall's current flow strength (how it ranks against its historical normal for today, from the nearest USGS stream gauge), carry that ranking forward along the gauge's seasonal curve, and nudge it for forecast rain. Confidence is highest for the next day or two and falls further out. Always check official conditions and your own judgment before visiting — high flows can be dangerous.
Know when to go.
Get a free email alert when waterfalls near Marblemount hit peak flow. We only send when conditions are worth the trip — no weekly newsletters, no spam.
Is John Pierce Waterfall Frozen?
Updated about 7 hours agoNot frozen highs above freezing lately
John Pierce Waterfall is not frozen right now; highs have been above freezing. Yesterday ran 53°F to 34°F.
- Days below freezing
- 0 of the last 14
- Current cold streak
- 0 days
- Freezing days ahead
- 0 of the next 7
- Flow
- 215 ft³/s
Winter safety. Frozen falls are the one waterfall trip with a documented injury pattern: falling ice, and ice-glazed rock and trail. Wear microspikes, keep well back from the base and from overhangs, and never walk out on ice over moving water.
Estimate from Open-Meteo daily temperatures at the falls, the LiDAR-measured facing direction, and the nearest stream gauge. It is a likelihood, not a report from the trail. See every frozen waterfall in Washington.
Weather Forecast
The Terrain, Seen by LiDAR
Aircraft-mounted lasers measured this ground to within inches. Trees and buildings are digitally stripped away, leaving the bare shape of the land the water has carved.
The laser survey finds one clean step here: roughly 589 feet of drop concentrated at the brink. Only part of that is the waterfall, which is listed at 66 feet; the rest is the canyon carrying on downstream. Elevation at the pin is about 1,587 feet.
The whole reach is steep: about 421 feet of descent in the 500 feet above the falls and another 358 feet in the 500 feet below. The falls face west and glow in afternoon and evening light.
Drag to compare. The dot marks the waterfall. The frame is about a mile across.
- Ground elevation
- 1,587 feet
- Measured by 1-meter lidar
- Drop at the falls
- About 589 feet
- Change in ground height within ~250 feet of the falls
- Faces
- West
- Glows in afternoon and evening light.
A slice through the lidar ground surface, from above the falls to downstream (heading west).
Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.
Location & Access
Getting There
Drive the North Cascades Highway (SR 20) about 11.5 miles east of Newhalem. The falls are next to the highway bridge about half a mile west of the Ross Dam Trailhead.
Get Directions on Google MapsParking
Park off the highway beside the cliff on the east side of the bridge. Keep clear of the travel lanes.
Elevation
1,578 feet above sea level
Coordinates
48.721241° N, -121.070676° W
Land Management
Managed by NPS
Visitor Tips & Gear
The falls can be seen from a passing car, but the short walk to the base gives a much better view. Footing on the brushy bench and boulders can be wet.
Where to Stay
North Cascades Inn
Mystic Ivy
North Cascades Riverhouse retreat - hot tub, sauna
Browse vacation cabins and private rentals nearby
Unique outdoor stays — tents, yurts, and treehouses
Rent a campervan or RV for your waterfall road trip
Some links are affiliate links. We may earn a commission at no extra cost to you.
Nearby Campground
Colonial Creek South Campground
2.5 miles away · 94 sites
Overview Colonial Creek South Campground requires reservations during the peak season, from late May through early September of each year. Important changes to booking windows: To better serve visitors, Colonial Creek South Campground will release campsites in two staggered block releases. These block releases will be 6 months in advance and 7 days in advance. Campsites #64 - #95 and #116 - #164 are available for reservations 6 months in advance. Campsites #96 - #113 are available for reservat
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Nearby Attractions
Ross Dam Trailhead, Diablo Lake, and Colonial Creek Campground are a few miles away along SR 20.
Wildlife
The area is home to various birds, small mammals, and forest wildlife. Visitors may spot deer or hear birdsong during their visit.
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