Oneonta Falls
Swimming hole in Portland, Oregon · Waterfall
Lower Oneonta Falls in the Columbia River Gorge near Portland, Oregon, was historically reached via a creek wade through Oneonta Gorge. The lower gorge remains closed due to unstable canyon walls following the Eagle Creek Fire. Hike the open Oneonta Trail to Middle and Triple Falls instead.
Oneonta Gorge is closed. Entering the creek slot is trespassing a closure and can bring federal fines. The nearby Oneonta Trail (#424) to Triple Falls, and the Horsetail / Ponytail Falls loops, are open and cover the same Gorge scenery legally.
About Oneonta Falls
Oneonta Gorge / Lower Oneonta Falls east of Portland in the Columbia River Gorge (Oregon) is still one of the internet’s top waterfall-swim searches. but the **creek slot has been closed** since the 2017 Eagle Creek Fire while land managers work through overcrowding, safety, and ecological protection. Entering the closed gorge can bring serious federal fines. Do **not** treat viral photos as current access. Nearby **Oneonta Trail (#424)** is a separate open hike (Triple Falls is a common goal), and Horsetail / Ponytail Falls loops cover classic Gorge scenery without trespassing the creek slot. Check Columbia River Gorge National Scenic Area alerts before you go. For legal swimming day trips from Portland, pivot to other Oregon swimming holes rather than forcing Oneonta’s closed corridor.
Key facts
Structured details for trip planning — verify access and fees with the land manager before you visit.
- Address
- Historic Columbia River Hwy (Oneonta Trailhead), Cascade Locks, OR 97014
- Water type
- Falls
- Water body
- Oneonta Creek
- Fee
- Lower Oneonta Gorge closed — no swim access; Oneonta Trail day hiking free (parking congested; timed-use rules may apply elsewhere in the G…
- Nearest town
- Portland
- State
- Oregon
- Coordinates
- 45.58983, -122.07530
- Best season
- Weekday early mornings for trailhead parking; avoid treating summer as a gorge swim season.
- Access difficulty
- Oneonta Trail to Triple Falls is a steep day hike; the closed gorge route is off-limits.
- Parking
- See facilities notes
- Restrooms
- None on site
- Lifeguard
- None — assume unguarded
- Camping
- Not at Oneonta Trailhead; use nearby designated campgrounds.
- Land manager
- U.S. Forest Service
- Activities
- Hiking open Gorge trails; photography from legal viewpoints
- Facilities
- Minimal trailhead parking/kiosk; no facilities inside the closed gorge.
- Listing last updated
- July 15, 2026
The experience
- Best time to visitWeekday early mornings for trailhead parking; avoid treating summer as a gorge swim season.
- AccessOneonta Trail to Triple Falls is a steep day hike; the closed gorge route is off-limits.
- FacilitiesMinimal trailhead parking/kiosk; no facilities inside the closed gorge.
- Camping nearbyNot at Oneonta Trailhead; use nearby designated campgrounds.
Highlights & features
- Unique basalt gorge formations
- Crystal-clear creek swimming
- Over 50 species of wildflowers
- Historic Oneonta Tunnel and Bridge
- Seasonal photography opportunities
- 25-million-year-old basalt walls
- Botanical area with rare plants
- Historic Oneonta Creek Bridge
How to get there
For legal hiking (not the closed gorge slot): use West Oneonta / Oneonta Trailhead on the Historic Columbia River Highway east of Multnomah Falls / Horsetail Falls.
1. From Portland, take I-84 east to the Historic Columbia River Highway exits toward Multnomah Falls corridor.
2. Park at the small Oneonta Trailhead pullout (very limited spaces) or use nearby legal lots and walk carefully along the highway shoulder only where permitted.
3. Hike Oneonta Trail #424 toward Triple Falls — this is NOT the closed creek gorge walk.
4. Do not climb fences or enter posted closed Oneonta Gorge / creek bottom.
5. Confirm USFS trail alerts (storm damage and blowdown are common).
Lower gorge creek access remains closed pending a longer-term access decision.
Plan your visit
Oneonta Falls works well as a day trip from Portland or Gresham. Stock up in town, then head to the water with food, water, and sun protection. Pair the swim with a stop at Washougal River Swimming Holes (about 13 mi away) or browse more Oregon waterfall spots in our directory. For the full list in Oregon, see our state directory.
Access & fees
Access is via an unofficial, unmaintained trail requiring wading in Oneonta Creek. Parking is at the Horsetail Falls Trailhead. No fee is required for parking or access, but services are not provided at the site. The water depth and current vary seasonally.
Frequently asked questions
Is Oneonta Gorge open for swimming?
No. Lower Oneonta Gorge and the creek walk to Lower Oneonta Falls remain closed by the U.S. Forest Service due to extreme hazard from fallen trees and unstable basalt rock walls.
Can you hike the Oneonta Trail?
Yes. The upland Oneonta Trail (#424) is open, offering scenic hikes to Middle Oneonta Falls, Triple Falls, and Horsetail Falls from the Historic Columbia River Highway.
Where can you swim legally near Oneonta Gorge?
Nearby swimmable spots along the Columbia Gorge include Rooster Rock State Park beaches, Oxbow Regional Park on the Sandy River, and Hood River Waterfront Park.
Explore more nearby swimming guides
Nearby swimming holes
Map & location
Culture & history
Designated a botanical area by the U.S. Forest Service, Oneonta Gorge highlights the unique biodiversity of the Columbia River Gorge. The Oneonta Creek Bridge adds historical significance.
Conservation
Follow Leave No Trace principles to protect the fragile ecosystem. Avoid disturbing plants and wildlife. Dispose of waste responsibly.
Sources & updates
Official land managers cited on this page
Always confirm current rules, closures, and fees on the agency site before visiting.
Reference sources
Spotted outdated access, fees, or safety info? Send a correction with the page URL — we review every submission.