Point of Interest

T Plant overview

Washington, USA Upper Columbia watershed 46.561°, -119.619°
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T Plant -- Washington point of interest
T Plant Washington · Upper Columbia watershed
About this spot

T Plant

T Plant is a point of interest located in the Olympic National Park in Washington. It was built in the 1940s as part of a project to enrich uranium for nuclear weapons during World War II. Today, it is a historic site that is open to visitors.

One of the main reasons to visit T Plant is to learn about the important role it played in American history. It was one of the key facilities involved in the Manhattan Project, which was a top-secret government program that produced the first atomic bombs. Visitors can take a guided tour to see the various buildings and equipment used in the uranium enrichment process.

Additionally, T Plant offers a unique opportunity to see a site that is normally off-limits to the public. While many other national parks focus on natural beauty and wildlife, T Plant is a reminder of the technological advancements and scientific breakthroughs that have shaped our world.

Visitors can also see various exhibits and displays that highlight the history of T Plant and the Manhattan Project. There are artifacts on display, including old equipment and photographs, that offer a glimpse into what life was like during this time period.

Overall, if you are interested in history, science, or technology, T Plant is definitely worth a visit. It offers a unique perspective on one of the most significant events of the 20th century and is a must-see attraction for anyone visiting Olympic National Park.
StateWashington
WatershedUpper Columbia
Latitude46.5612°
Longitude-119.6193°
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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Responsible visitation & Leave No Trace

Know before you go
Check the operator's site (BLM, NPS, state agency, or private owner) for access rules, permits, and seasonal closures before driving out.
Stay on trail
Many points of interest sit in fragile ecosystems. Stick to marked paths to protect vegetation and prevent erosion.
Respect wildlife
Observe from a distance, never feed wildlife, and give nesting birds and denning mammals plenty of space.
Pack it in, pack it out
Take all trash, food scraps, and gear back with you. Remote sites often have no trash service.
Leave what you find
Don't take rocks, plants, fossils, or artifacts. Federal law protects cultural and natural resources on public land.

Set push alerts in the Snoflo app

Save T Plant as a favorite, set a weather threshold (precipitation, freezing temperatures), and the iOS app will push the moment conditions cross.

FAQ

About T Plant

What is T Plant?

A point of interest in Washington tracked by Snoflo -- typically a scenic landmark, named summit, monument, or viewpoint.

How fresh is the weather data?

The hourly forecast updates throughout the day from NOAA / yr.no public feeds.

When is the best time to visit?

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

How do I get there?

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

Can I get alerts when conditions change?

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

More POIs

Other points of interest near here

Snoflo-tracked landmarks within driving distance of T Plant.

Premium feature

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Manage alerts in the Snoflo app

Custom push alerts are configured in the iOS app -- favorite this POI, set a threshold (temperature, precipitation), and you'll get a push the moment it crosses.

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