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Address: 7295 Highway 94 South, Saint Charles, MO 63304
Phone Number: (636) 300–2600
Website
Today
9:00 am - 5:00 pm
Closed now
See all hours
Hours:
Sun 12:00 pm - 4:00 pm
Mon - Fri 9:00 am - 5:00 pm
Sat 10:00 am - 4:00 pm

TripAdvisor Reviewer Highlights

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Unusual place

I had never heard of the place. We were driving past and saw the sign and stopped in. Don't get to climb a hill that is covering nuclear waste very often. Neat place we were only... read more

4 of 5 starsReviewed March 7, 2015
Friedheimmo
,
Friedheim, Missouri
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13 Reviews from our TripAdvisor Community

Date | Rating
  • English first
  • Any
English first
Saint Louis, Missouri
Contributor
11 reviews 11 reviews
5 attraction reviews
22 helpful votes 22 helpful votes
5 of 5 stars Reviewed May 19, 2015

This is a hidden gem if you are into history and engineering. A few miles south of I-64 on Route 94 in St. Charles County a huge mound of carefully placed rocks appears to the right of the road. It looks like a dam but why would a dam be at the top of a hill. You turn at a... More 

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Friedheim, Missouri
Senior Contributor
27 reviews 27 reviews
13 attraction reviews
21 helpful votes 21 helpful votes
4 of 5 stars Reviewed March 7, 2015

I had never heard of the place. We were driving past and saw the sign and stopped in. Don't get to climb a hill that is covering nuclear waste very often. Neat place we were only there about a half an hour, something different.

Was this review helpful? Yes
Contributor
17 reviews 17 reviews
7 helpful votes 7 helpful votes
5 of 5 stars Reviewed January 21, 2015

Excellent public information site with displays showing the Weldon Spring contribution to the Manhattan Project. Good 1-2 hour visit with teenage kids. Friendly and helpful staff. Quite interesting.

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Tennessee
Senior Contributor
41 reviews 41 reviews
25 attraction reviews
32 helpful votes 32 helpful votes
3 of 5 stars Reviewed September 21, 2014

If you're into this sort of thing, and you have an hour or two to spare to read through the wealth of information here, this might be an interesting spot. There are a lot of slick, detailed displays in the museum/welcome center that would provide a very extensive explanation of the site to anyone who had the time and the... More 

Was this review helpful? Yes 4
Kansas
Senior Contributor
25 reviews 25 reviews
16 attraction reviews
10 helpful votes 10 helpful votes
4 of 5 stars Reviewed July 18, 2014

Weldon Spring has an interesting history. It was once the world's largest explosives manufacturing factory. By the time World War II ended, the factory had produced more than 700 million pounds of TNT. About a decade later, Weldon Spring became the site of a uranium ore processing plant--making yellow cake uranium. Almost a decade after that, the government made plans... More 

Was this review helpful? Yes 2
Onalaska, Wisconsin
Top Contributor
80 reviews 80 reviews
32 attraction reviews
41 helpful votes 41 helpful votes
4 of 5 stars Reviewed May 16, 2014

The history of the site: 20,000 people displaced in order to make room for TNT and then Uranium production site in support of WWII. Eventually the whole place was vacated and EPA had to step in. This site, in my opinion, does an very good job of capturing the whole story - from start to finish.

Was this review helpful? Yes 2
London
Top Contributor
254 reviews 254 reviews
36 attraction reviews
163 helpful votes 163 helpful votes
5 of 5 stars Reviewed November 24, 2013

We drove past this place many times on our way to wineries along the Missouri River. It’s in a state park, attractive countryside with bike and hiking trails, lake and ponds, grasslands and woods. We thought we should take time to see what the area offered and stop at the Interpretive Centre and find out about the spring. On one... More 

Was this review helpful? Yes 6
St Charles, MO
Top Contributor
78 reviews 78 reviews
31 attraction reviews
58 helpful votes 58 helpful votes
5 of 5 stars Reviewed September 3, 2013

This place has a wonderful interpretive center. It explains all about how the area was contaminated when uranium was processed here and then was cleaned up. The kids also learn about geology and soil! My kids even thought it was cool!

Was this review helpful? Yes 1
Missouri
Contributor
16 reviews 16 reviews
12 attraction reviews
4 helpful votes 4 helpful votes
5 of 5 stars Reviewed May 28, 2013

It is most interesting to visit the interpretative center and then climb the "mountainous" containment pile. View from up there is excellent.

Was this review helpful? Yes 1
Louisville, Kentucky
Contributor
12 reviews 12 reviews
3 attraction reviews
7 helpful votes 7 helpful votes
4 of 5 stars Reviewed September 19, 2012

The site is open during daylight hours but the interpretive center has specific hours. I highly recommend going when the center is open as it is very well done. It included the history of the site from the founding of the communities to the present. In addition to the toxic waste storage facility, there are several hiking trails in the... More 

Was this review helpful? Yes 1

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