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Castlewood State Park, Ballwin, MO

Photo: Archbob, CC0, via Wikimedia Commons. Cropped and resized.

Sports & Outdoors

Castlewood State Park

Missouri state park in St. Louis County along the Meramec River, known for its mountain biking and hiking trails.

1401 Kiefer Creek Road, Ballwin, MO 63021-7338 · Ballwin, MO

About Castlewood State Park

Castlewood sits in a river valley that was once a weekend getaway for St. Louis partygoers in the early 1900s. Today the Meramec River and its surrounding valley draw hikers, mountain bikers, and anglers. The trail network suits both first-time riders and experienced cyclists, and the park is regarded as one of the top mountain biking destinations in the St. Louis area. Visitors also find fishing spots, open meadows with wildlife, and recreational facilities. The park covers about 1,818 acres on both sides of the Meramec, with the most visited section on the north bank.

  • #state park
  • #hiking
  • #mountain biking
  • #fishing
  • #Meramec River

What's around here?

The closest stops to Castlewood State Park, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.

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    Check prices

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    Transit: reachable by public transit

    6.2 mi awaySwitch it up: Shopping

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    Local Gem

    Laumeier Sculpture Park

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    Transit: reachable by public transit

    7.0 mi awayMore like this

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    Family Favorite

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    Under $25

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    Transit: reachable by public transit

    7.5 mi awaySwitch it up: Museums

  • Sports & Outdoors
    Outdoor Adventure

    Cliff Cave County Park

    Check prices

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    15 mi awayMore like this

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