49.7 miles
7,008 ft
-7,006 ft
812 ft
High Point

Also known as the St. Charles County Epic, this ride uses the Katy and Hamburg Trails to access 3 popular area trail systems- Lost Valley, Matson Hill, and Klondike Park.
Beginning at the Weldon Spring Site, or "The Mound" the ride starts by taking the Hamburg Trail to Lost Valley and riding a part of that trail in whichever direction you prefer. Crossing over Hwy 94 to the Katy, one rides it all the way to Klondike, and then ride the trails there.
Jumping back on the Katy and heading back the way you came, you reach Matson Hill Rd. at the Defiance trailhead. Head up the steep climb to the pavement, and east until you come to Matson Hill Park. Ride the trails there, and head back down to the Katy either the way you came on the gravel road, or down the pavement to Defiance.
Once on the Katy, ride it back to the Katy/Hamburg junction, cross Hwy 94 again, and finish whatever section of Lost Valley you didn't ride the first time. Then it's up the Hamburg Connector to the Hamburg, and return to where you parked at The Mound.

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Trails in Route


  • AKA
    St. Charles County Epic
  • Difficulty rating
    Black Diamond
  • Route Type
    Out & Back
  • Bike type
  • Direction
    Both Directions
  • Physical rating
More Stats for St. Charles County Trifecta mountain bike route
  • Altitude min
    468 ft
  • Altitude start
    657 ft
  • Altitude end
    659 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    22.8 miles
  • Distance down
    22.8 miles
  • Distance flat
    4.1 miles
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Trail transparency
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Recent Trail Reports Along Route

Matson Hill Loop
Oct 11, 2016 @ 3:06pm
Oct 11, 2016
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