This page lists 4 spring swimming holes in Oregon, where the swim season runs late june through september. Open each listing for directions, fees, and current conditions before you travel.
Oregon has 4 documented spring swimming holes in this directory — a spring swimming hole is groundwater surfacing directly — which means near-constant temperature year round and often extraordinary clarity. The Oregon swim season runs Late June through September, peaking July to early September. Access points cluster near Winnemucca (nv), Burns Junction (or), Frenchglen (or), Portland, and Estacada. Every listing below links to a full page with directions, fee notes, access rules, and safety context.
Alvord Hot Springs near Winnemucca (NV), Oregon is a hot springs swimming spot on Alvord Hot Springs. What people come for: Geothermal heated waters; Remote desert location. Expect a fee of about $5 per person, and you will find restrooms and camping. Best visited in Late spring through early fall. This is extremely remote country.
Bagby Hot Springs and Swimming Area is a hot springs swimming spot on BAGBY AREA near Portland, Oregon. What people come for: Crystal-clear blue-green water; Short and scenic hike to access. Expect a fee of about $5 per person, and you will find restrooms and camping. Best visited in late spring–early fall. Carry cash for the $5 soak fee; confirm road status before the drive.
Umpqua Hot Springs east of Roseburg, OR — geothermal tub above the North Umpqua reached by a short steep trail. $5 day-use or forest pass; day-use only with nudity common.
Whitehorse Hot Springs near Winnemucca (NV), Oregon is a hot springs swimming spot on Whitehorse Hot Springs. What people come for: Remote desert location; Geothermal hot springs. Access is free, and you will find restrooms. Best visited in April-May. Vehicle Preparedness: A high-clearance, 4WD vehicle is strongly advised.
The Cascades hold most of it — the McKenzie, Clackamas, Santiam, and Umpqua corridors, Tamolitch and the blue pools, Opal Creek — plus forest hot springs (Bagby, Umpqua, Terwilliger) and the Columbia Gorge falls.
Cascade water is startlingly cold and clear; Tamolitch Blue Pool holds about 37°F year round.
Reading conditions before you go
Springs are the one water type that ignores the seasonal calendar. A 72°F spring feels warm in February and startlingly cold in August, and its flow barely changes with the weather.
Clarity is the draw and it is also fragile. Silt kicked up by swimmers takes hours to settle, so the early arrivals get the clear water.
Hot springs need a temperature check every time. Source pools at undeveloped springs can exceed 140°F. Test downstream of the vent by hand before any part of you goes in.
In Oregon, the Oregon Health Authority publishes the water-quality and algal-bloom advisories that apply to these waters. Check them alongside the live gauge data rather than instead of it.
Spring safety in Oregon
Never put your head under at a hot spring. Warm freshwater is where Naegleria fowleri lives, and the CDC advice is explicit: keep your head above water in hot springs, and hold your nose or wear a nose clip if you jump in anywhere warm and still.
Spring vents and cave systems have killed experienced divers. Do not enter an underwater conduit, however inviting, without cave-diving training and gear.
Cold springs cause cold-water shock precisely because the air is hot. A 58°F Ozark spring on a 95°F day triggers the same gasp reflex as winter water.
Oregon's clearest pools are its coldest. Tamolitch Blue Pool causes cold-water-shock incidents and cliff-jumping injuries every summer despite looking inviting. The Clackamas and Sandy have high drowning rates when snowmelt is still running.
Cold water deserves more respect than most swimmers give it. The National Weather Service notes that cold shock can be as severe at 50-60°F as at 35°F, and that the involuntary gasp reflex can be triggered by water as warm as 77°F — which is why entering slowly matters even on a hot day.
When to go
Oregon swims late june through september, with the most reliable water july to early september. Hot springs run year round; rivers stay cold and high into June.
Springs are the most reliable water in any state: swimmable in shoulder season when everything else is too cold, and refreshing when everything else has gone bath-warm.
4 of these listings carry their own best-time note from the land manager or from reader reports — open them for the specifics rather than relying on the state-wide window alone.
What to bring: A nose clip, water shoes for limestone and travertine, and a towel — spring air is often cool even in summer.
How many spring swimming holes are there in Oregon?
We document 4 spring swimming holes in Oregon. That is the number with enough verified detail — access, directions, and conditions — to publish, not the total number that exist. They cluster near Winnemucca (nv), Burns Junction (or), Frenchglen (or), and Portland.
When is the best time to swim spring spots in Oregon?
Late June through September, with the best conditions july to early september. Hot springs run year round; rivers stay cold and high into June. Springs are the most reliable water in any state: swimmable in shoulder season when everything else is too cold, and refreshing when everything else has gone bath-warm.
Are Oregon spring swimming holes free?
Of the 4 listed here, 1 free, 3 fee or park admission. Fees are usually a state park or day-use charge rather than a swimming charge, and they change season to season — open the individual listing before you drive.
What should I check before swimming in Oregon?
Three things: the live flow or level at the nearest USGS gauge, the current advisories from the Oregon Health Authority, and the forecast for anywhere upstream of you. Oregon's clearest pools are its coldest. Tamolitch Blue Pool causes cold-water-shock incidents and cliff-jumping injuries every summer despite looking inviting. The Clackamas and Sandy have high drowning rates when snowmelt is still running.
Is it safe to swim in Oregon spring spots after rain?
Generally no, not straight away. Runoff raises the current, pushes new debris into familiar pools, and spikes bacteria counts. Give moving water 24 to 48 hours to clear after heavy rain.