Olympic's postcard falls, where the Sol Duc River splits into parallel channels and drops sideways into a mossy slot, reached by an easy walk through old growth.
November through May
Big water window
in a typical year
Rain fed
What drives it
Sol Duc River
Climatology
Data on this page
Sol Duc River is ungauged
NPS Olympic
Managed by
their rules govern
Trail status, closures and safety rules belong to each falls' managing agency, named and linked on every page.
The season
What fills Sol Duc Falls, and when
The west Olympics run on rain first and snowmelt second, so the Sol Duc is fattest from the fall storm season through the spring melt and leanest in late summer; the rain-fed label is our classification of that mix. The falls' famous multi-channel split is flow-dependent: high water runs three or four channels, late summer sometimes two.
Typical best flow: November through May
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What the agency itself says
Perhaps the most picturesque waterfall in Olympic, Sol Duc Falls is a treat - a big reward for a fairly easy hike. From the parking lot at the end of the road, the walk through old-growth forest to cascading Sol Duc Falls is just .8 of a mile (1.3 km) and relatively level.
Rain-fed falls carry the color of their watershed: Blackwater Falls runs amber with tannin from spruce and hemlock bogs upstream, and its volume tracks the last month of Appalachian weather. “Blackwater Falls (15437499241)” by Benjamin Smith from United States, CC BY 2.0
Getting there
Access, in the agency's words and ours
An 0.8 mile, relatively level walk through old growth forest from the end of the Sol Duc road, per the Park Service, which asks visitors to stay on designated trails and behind the fences at the viewing areas.
Rain-country water and moss (Multnomah Falls, Oregon, USFS photo). Sol Duc Falls grows the same green walls in Olympic's old growth, on the same wet-season schedule. “20190923-MountHood-CMR-0235 (48871760966)” — Forest Service, USDA — Public domain
Common questions
Sol Duc Falls flow season FAQ
The reliable big-water window is November through May. The west Olympics run on rain first and snowmelt second, so the Sol Duc is fattest from the fall storm season through the spring melt and leanest in late summer; the rain-fed label is our classification of that mix. The falls' famous multi-channel split is flow-dependent: high water runs three or four channels, late summer sometimes two.
Sol Duc River has no USGS gauge near the falls, so the seasonal pattern above is the flow guide for Sol Duc Falls, and Olympic National Park (National Park Service) is the source for current conditions on the ground.
No, the Sol Duc is a substantial river year round. What changes is the number of channels over the lip and the volume of the crash; winter and spring give the full spread.
Olympic National Park (National Park Service). An 0.8 mile, relatively level walk through old growth forest from the end of the Sol Duc road, per the Park Service, which asks visitors to stay on designated trails and behind the fences at the viewing areas. Trail status, closures and safety rules are theirs, and their page is linked on this one; nothing here overrides what they publish.
In their own words: "Always stay on designated trails and viewing areas - fences are there for your safety!" That sentence is Olympic National Park (National Park Service)'s, quoted verbatim, and their page is the place to check before you go.
Yosemite Falls in May, running on snowmelt that will be gone by late summer. The National Park Service tells visitors the falls can be dry by August, which is why every falls page here starts from its watershed. “Tourists below Yosemite Falls (39832011431)” by Mike McBey, CC BY 2.0
Flow windows are typical-year climatology drawn from the driver and the agency language quoted above, not forecasts. Live readings and per-date percentiles are U.S. Geological Survey data, public domain; the above-or-below-typical line is our comparison and is labelled as such. Access, trail and safety information belongs to Olympic National Park (National Park Service). National picture: waterfall season across the US → Hero image: “20190923-MountHood-CMR-0235 (48871760966)” — Forest Service, USDA — Public domain
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