Park

Ainsworth State Park park

Oregon, USA Lower Columbia watershed 45.594°, -122.044°
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Nearby campgrounds
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Ainsworth State Park -- Oregon park
Ainsworth State Park Oregon · Lower Columbia watershed
About this park

Ainsworth State Park

Ainsworth State Park is located in the state of Oregon and offers visitors a chance to experience the beauty of the Columbia River Gorge. The park has several natural attractions that are worth exploring, including hiking trails, waterfalls, and scenic vistas.

One of the best reasons to visit Ainsworth State Park is to hike the trail that leads to Upper Horsetail Falls. This waterfall is a popular attraction that offers stunning views of the surrounding area. The park also has several other hiking trails that offer scenic views of the Columbia River and the surrounding forests.

Another point of interest in Ainsworth State Park is the historic Civilian Conservation Corps (CCC) camp. This camp was built in the 1930s and served as a base for workers who helped build many of the park's facilities.

Interesting facts about Ainsworth State Park include that it was named after John C. Ainsworth, who was a prominent shipping magnate in the late 1800s. The park was also designated as a National Historic Landmark in 2014.

The best time to visit Ainsworth State Park is during the summer months, when the weather is warm and dry. However, spring and fall can also be great times to visit, as the park is less crowded and the foliage is changing colors.

Overall, Ainsworth State Park is a great destination for anyone who wants to experience the natural beauty of Oregon's Columbia River Gorge. With hiking trails, waterfalls, and historic landmarks, there is something for everyone to enjoy.
StateOregon
WatershedLower Columbia
Latitude45.5938°
Longitude-122.0438°
Land designation

Park & land designation reference

A quick legend for the federal and state land categories Snoflo tracks. Each designation comes with different rules around access, recreation, and resource extraction.

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing, often around reservoirs, rivers, or scenic landscapes); may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use -- recreation, grazing, mining, conservation -- with fewer restrictions than national parks or forests.
Detailed forecast

Plan your visit down to the hour

Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Stay nearby

Area campgrounds

Snoflo-tracked campgrounds within reach of Ainsworth State Park, with reservations status.

Responsible recreation & Leave No Trace

Know before you go
Check the operator's site for hours, permit requirements, seasonal closures, and fire restrictions before heading out.
Stay on trail
Stick to marked paths to protect vegetation, prevent erosion, and avoid disturbing wildlife habitat.
Respect wildlife
Observe from a distance, never feed wildlife, and store food securely if camping is permitted on-site.
Pack it in, pack it out
Carry out all trash, food scraps, and gear. Many parks have limited or no trash service.
Leave what you find
Don't take rocks, plants, or artifacts. They make the park what it is for the next visitor.

Set push alerts in the Snoflo app

Save Ainsworth State Park as a favorite, set a custom threshold (precipitation, freezing temperatures, fire-restriction days), and the iOS app will push the moment conditions cross.

FAQ

About Ainsworth State Park

What can I do at Ainsworth State Park?

Most Snoflo-tracked parks support hiking, picnicking, and wildlife viewing. Check the operator's site for activity-specific rules (camping, fishing, paddling, hunting).

How fresh is the weather data?

The hourly forecast updates throughout the day from NOAA / yr.no. Streamflow comes live from USGS streamgauges.

When is the best time to visit?

Use the 15-day temperature & precipitation outlook on this page to plan -- pick a window with comfortable temperatures and low precipitation.

How do I get to Ainsworth State Park?

Tap Directions in the hero above to open driving directions in Google Maps, or Open in map to center the Snoflo interactive map on the park.

Can I get alerts when conditions change?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this park, set a threshold (temperature, precipitation), and you'll get a push the moment it crosses.

More parks

Other parks near here

Snoflo-tracked parks within driving distance of Ainsworth State Park.