Located just off the Lost Valley trail at Weldon Conservation Area in Weldon Spring, MO. Mouth of the spring can be easily found and accessed from the trail. Park in the trailhead parking area then take the trail past the fishing trail to the first major fork (where the loop starts). Take a left, cross a waterway, then a left at the next fork. The spring is just past mile marker 1 on the right (north) side of the trail. Site is marked by yellow daffodils. The map on the Missouri Conservation website marks the spring south of the trail but this is not the source – follow the waters to the north to find the actual source, which looks like just a hole in the hill.
Lost Valley Trail Spring
4.3
(127 reviews)
- Chesterfield, MO 63341
127 Community Photos
- Chesterfield, MO 63341
- Open in Google Maps →
- Open 6:00 AM – 8:00 PM
GPS Coordinates
- 38.671493 N,
- -90.761372W
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