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South Fork Falls Trail

Targhee National Forest, Idaho · 3 min read

Distance
2.6 mi
Elevation Gain
300 ft
Difficulty
easy
Route Type
Out-And-Back
Best Season
May through October
Est. Time
1-2 hours
Dog Friendly
Yes
Kid Friendly
Yes
Difficulty Score
1 / 10

Trailhead Amenities

Restroom
None
Parking
Free
Cell Service
Limited
Water
Nearby
Camping
Dispersed
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Conditions, regulations, and fees change frequently. Verify with the local ranger district before your trip. Full disclaimer

At a Glance

  • Scenic waterfall on the South Fork of the Snake River
  • Dense riverside forest with cottonwood and alder
  • Short distance makes it accessible for most hikers
  • Good spring water levels for peak waterfall flow
  • Osprey and bald eagle common in the river canyon
waterfallriverwildlife

Overview

The South Fork Falls Trail in Targhee National Forest is one of the forest's most accessible waterfall hikes, delivering a scenic canyon and flowing falls in just 1.3 miles from the trailhead. The South Fork of the Snake River drains a large portion of eastern Idaho's mountains, and its canyon supports a rich riparian ecosystem where eagles and osprey hunt above clear water.

The trail follows the river through dense cottonwood and alder forest, offering shade and bird activity throughout the route. In spring, the canyon fills with the sound of rushing water and nesting songbirds. The falls themselves spill over a basalt ledge and create a mist zone that supports lush mossy vegetation in the canyon walls.

The Route

The trail begins at a roadside pullout on Highway 26 and immediately enters the river corridor. The path follows the South Fork upstream on a well-worn trail through the riparian forest. Some sections require attention near the riverbank where erosion has cut into the trail edge. The falls are reached after a modest climb in the final quarter mile, with the best views from the boulders at the base.

What to Expect

Expect slippery rocks near the falls, particularly in spring when flow is heaviest. Stay back from the edge of the falls and supervise children carefully in the mist zone. The trail is shaded throughout, making this a good option on warm summer days when higher exposed routes are uncomfortable.

Nearby

Swan Valley is the nearest community with basic services. The Moose Creek Trail offers a longer riparian hiking option north of Victor. Palisades Reservoir, just south on Highway 26, offers boating, camping, and additional hiking in a different landscape.

Leave No Trace

This trail receives enough use that following Leave No Trace principles is important for preserving the experience for future visitors. Stay on the marked trail to prevent erosion. Pack out all waste. Avoid camping within 200 feet of water sources or the trail. Use existing fire rings only where campfires are permitted, and check current fire restrictions at checking conditions before you go before any visit. The trail and surrounding terrain remain in good condition because previous visitors have respected these norms.

Safety Considerations

The easy rating reflects the trail's general character under typical conditions. Weather, seasonal snow, and trail conditions can change the experience significantly. Carry the 10 Essentials on any full-day outing. Inform someone of your plans and expected return time before heading out, particularly on longer or more remote trails. Cell service varies throughout Targhee National Forest and may be unreliable in canyon bottoms or remote terrain.

Trailhead Parking

South Fork Canyon Trailhead off Highway 26 south of Swan Valley. Gravel pullout with room for 8 vehicles. No fee.

← Back to Targhee National Forest

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Frequently Asked Questions

How far is it to South Fork Falls?
The falls are 1.3 miles from the trailhead, making the round trip 2.6 miles with 300 feet of elevation gain. Most hikers reach the falls in under an hour.
When is the waterfall at peak flow?
Peak waterfall flow occurs in late May and June when snowmelt is at its height. By late summer, flow decreases but the falls remain scenic. Spring visits offer the most dramatic water volume.
Are there other trails near South Fork Falls?
The South Fork of the Snake River corridor offers additional hiking and river access points throughout this section of Targhee National Forest. The Swan Valley area is a popular base for exploring multiple short trails and river access points.
Is the South Fork Falls Trail good for children?
The short distance and modest elevation gain make this trail popular with families. The riverside terrain has some uneven footing near the falls, so appropriate supervision is important near the water's edge.