Is swimming allowed at Imnaha Falls?

No, swimming is not allowed at Imnaha Falls.

Live Conditions · 13 ft³/s · About average

Imnaha Falls

Q: Are dogs allowed at Imnaha Falls?

Yes, dogs are allowed at Imnaha Falls.

Q: Are there fees or permits required for Imnaha Falls?

Yes, there is a fee of $5.00. A permit is also required. A Northwest Forest Pass or equivalent is required for parking at the trailhead.

Oregon

By Armen Suny · Last verified Sep 2026

LiDAR & 3D terrain

Whitman National Forest NF · US Forest Service

Photo Credits (5)

Earth Science and Remote Sensing Unit, Lyndon B. Johnson Space Center Public domain · Wikimedia Commons

Earth Science and Remote Sensing Unit, NASA Johnson Space Center Public domain · Wikimedia Commons

Earth Science and Remote Sensing Unit, Lyndon B. Johnson Space Center Public domain · Wikimedia Commons

Conspiracy.of.Cartographers CC BY-NC-SA 2.0 · Flickr

Difficulty

Moderate

Trail Length

6.0 miles

Trail Type

Out And Back

About Imnaha Falls

Imnaha Falls tumbles along the Imnaha River in northeastern Oregon, set within the Eagle Cap Wilderness and managed by the U.S. Forest Service as part of the Whitman National Forest. The cascade sits amid rugged canyon walls and dense forest, offering a picturesque and secluded spot for photographers and day hikers who appreciate wild, less-traveled reaches of the forest. The setting feels remote yet approachable, with the falls framed by mossy rock and stands of conifer. The approach rewards visitors with classic Wallowa country scenery—deep river-cut canyons, mixed timber, and the steady sound of rushing water. Managed by the USFS, the area is best enjoyed with leave-no-trace practices; the trail is a moderate outing that suits hikers looking for a relatively short but scenic adventure into the national forest.

The Setting

Imnaha Falls sits at 5,220 feet within Whitman National Forest, fed by the East Fork Wallowa River, in the high mountains of Oregon.

Trail & Hike Details

Trail Description

USFS-trail data lists the route to Imnaha Falls as a 2.4-mile out-and-back with roughly 350 feet of elevation gain, rated moderate in difficulty. The trail follows river corridor terrain through dense forest and includes some moderate elevation changes and rocky, uneven sections; hikers will pass smaller cascades and scenic river views en route. Surface, grade, and technical class are not specified in the available USFS data, so expect a natural tread with occasional rock and root obstacles and plan footwear and pacing accordingly.

What to Expect

Dogs are welcome.

Accessibility

The trail is not wheelchair accessible. Uneven terrain and elevation changes require steady footing.

Frequently Asked Questions

🐶 Are Dogs Allowed at Imnaha Falls?

✅ Dogs are allowed

Are There Any Fees or Permits Required?

🤑 Fee: $5.00
Permit required
A Northwest Forest Pass or equivalent is required for parking at the trailhead.

🏊 Is There Swimming at Imnaha Falls?

❌ Swimming is not allowed

When to Visit

spring summer fall

Spring and early summer are ideal times to visit, as the waterfall is typically at its fullest due to snowmelt. Fall offers beautiful foliage, while summer provides warmer weather for hiking.

Seasonal Access

The best time to visit is Spring, Summer, and Fall. Access roads and trails may close during winter due to snow. Check with Whitman National Forest for seasonal road closures.

Safety Information

Water temperature is currently 45°F — cold enough to cause numbness quickly. Avoid prolonged water contact and use caution near the falls.

Be prepared for changing weather conditions and carry the 10 essentials for hiking. Watch for slippery rocks near the falls and be cautious of wildlife encounters.

Current Water Conditions

Updated 43 minutes ago Moderate

13 ft³/s

Current discharge — how much water is flowing

About average for this time of year

Very Low Low Normal High Very High

4.70 ft

Water depth at gauge

45°F

Very cold

Expect numbness within minutes

7-Day Discharge Trend

What does this mean for your visit?

Flow is about average for this time of year. Water temperature is very cold at 45 degrees F, expect numbness within minutes.

About This Gauge

This gauge is on a nearby waterway and may not reflect exact conditions at the falls.

EAST FORK WALLOWA RIVER NEAR JOSEPH, OR

USGS 13325000

12.4 miles from waterfall

Drainage: 10 sq mi

Altitude: 4,540 ft

7-Day Flow Outlook

Based on the USGS gauge EAST FORK WALLOWA RIVER NEAR JOSEPH, OR (20 km away).

Moderate confidence

Moderate right now

13 cfs

→ Holding steady

Today

Moderate

14 cfs

6/10

Tomorrow

Moderate

14 cfs

8/10

Tue

Moderate

13 cfs

8/10

Wed

Moderate

14 cfs

8/10

Thu

Moderate

15 cfs

8/10

Fri

Moderate

13 cfs

8/10

Sat

Moderate

14 cfs

8/10

Best window: Tomorrow — moderate flow, sunny (trip score 8/10).

Best time of year: this gauge typically runs highest from early May to early August, peaking in July.

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 Halfway hit peak flow. We only send when conditions are worth the trip — no weekly newsletters, no spam.

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.

Here the descent is spread out: 1-meter lidar measures about 51 feet of drop through Imnaha Falls, stretched along the creek rather than stacked in one wall. The brink sits at about 5,201 feet above sea level.

The ground changes about 182 feet in the 500 feet above the falls and 47 feet in the 500 feet below. The falls face northeast and stay mostly shaded, with soft, even light all day.

Aerial photo of the same ground around Imnaha Falls near Halfway, Oregon, for comparison with the lidar view

LiDAR bare-earth terrain around Imnaha Falls near Halfway, Oregon, showing about 51 feet of drop, a long cascade, facing northeast

Aerial LiDAR bare earth

Drag to compare. The dot marks the waterfall. The frame is about a mile across.

Ground elevation: 5,201 feet; Measured by 1-meter lidar
Drop at the falls: About 51 feet; Change in ground height within ~250 feet of the falls
Faces: Northeast; Mostly shaded, so the light stays soft and even all day.

Ground profile through the falls

A slice through the lidar ground surface, from above the falls to downstream (heading northeast).

Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.

Location & Access

Getting There

Imnaha Falls is located in the Eagle Cap Wilderness, accessible via the Wallowa Lake Trailhead near Joseph, Oregon. The trail to the falls is part of the East Fork Wallowa River Trail.

Get Directions on Google Maps

Parking

Parking is available at the Wallowa Lake Trailhead, which serves as the starting point for the hike to Imnaha Falls. The parking area may fill up during peak seasons, so arriving early is recommended.

Elevation

5,220 feet above sea level

Coordinates

45.107102° N, -117.107389° W

Land Management

Whitman National Forest NF

Managed by USFS

Visitor Tips & Gear

Wear sturdy hiking shoes and bring plenty of water. Check trail conditions before heading out, especially in spring when snowmelt can make the trail muddy or slippery. Cell service is limited, so plan accordingly.

Where to Stay

Browse vacation cabins and private rentals nearby

Glamping Hipcamp

Unique outdoor stays — tents, yurts, and treehouses

RV Rentals Outdoorsy

Rent a campervan or RV for your waterfall road trip

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Nearby Campground

Hells Canyon - Oregon/Wallowa Valley

13.3 miles away · 0 sites

The Hells Canyon National Recreation Area (HCNRA) straddles both sides of the Snake River in both Oregon and Idaho. The recreation sites and trails in this section are all found away from the Wild and Scenic Snake River in the Oregon uplands, and in other forest lands near the Wallowa Valley. All other upland sites and all trails in the Hells Canyon NRA - Snake River, or Hells Canyon NRA - Idaho are found in those recreation area sections.Popular recreation areas include the Hells Canyon Wilderne

Book on Recreation.gov