Lost Valley Trail

Loop • 9.5 mi • 0 ft

Wandering through the quiet hideaway of Lost Valley, you’ll follow the scenic meanders of Little Femme Osage Creek, hike past a crystalclear spring, and startle deer and turkeys from their haunts in this peaceful valley. Best of all, this beautiful trail is suitable for hikers of all ages and abilities.
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Activity Type: Hiking
Nearby City: Weldon Spring
Length: 9.5 total miles
Elevation Gain: Minimal
Trail Type: Loop/Lollipop
Skill Level: Easy–moderate
Duration: 3–5 hours
Season: Year-round
Local Contacts: Weldon Spring Conservation Area
Local Maps: Defiance USGS topo
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Recent Trail Reviews


The Lost Valley Trial is schizophrenic but enjoyable. Remember this area was a munitions site in WWII so the LVT is a mixture of Ozark ridgeline trails and old roadways which can be clay, light gravel or even 80 year old asphalt. But the mix is nice! Just when you think you are 1000 miles from civilization, you come across an old remnant of mankind returning to nature. Shoe soles should be thick enough to step on sharp gravel and the bugs? That is why "OFF!" is sold everywhere. Use it and no problems. Takes about 3-1/2 hours at a 3.4 mph pace.


Walked only the Clark Trail. Overnight rains made much of the trail very muddy and subsequently slick in places. MOSQUITOVILLLE!! Aside from that? Beautiful views of the Missouri and a nice (mostly) wide trail. Will definitely go back in the fall and winter and in the spring if not too wet. But never again in the summer.

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