4.9
(8149)
8,956
riders
05:19
115km
1,080m
Road cycling
This difficult 71.6-mile road cycling loop in St. Louis County offers a significant physical challenge with 3541 feet of elevation gain.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
88.9 km
Highlight (Segment) • Trail
Tip by
105 km
Highlight • Bridge
Tip by
115 km
End point
Parking
Way Types & Surfaces
Way Types
46.3 km
29.7 km
24.8 km
14.6 km
< 100 m
< 100 m
Surfaces
95.2 km
20.0 km
174 m
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Elevation
Highest point (280 m)
Lowest point (120 m)
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Weather
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Today
Wednesday 1 July
36°C
24°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
This route is primarily well-paved, designed for racebikes. However, be prepared for some segments that might be unpaved and challenging, potentially requiring you to push your bike. It offers a varied cycling experience.
The Oakville — Eureka loop is considered a difficult road ride due to its significant length of approximately 115 kilometers (71.5 miles) and substantial elevation gain of around 1,080 meters (3,543 feet). It requires very good fitness and is best suited for experienced road cyclists seeking a physical challenge.
Yes, the route includes points of interest such as Grant's Trail at Snyder Memorial Park and the Bridge Over River des Peres on Grant's Trail. While specific scenic highlights are not extensively detailed, you'll traverse diverse scenery typical of St. Louis County, potentially including riverfront views and park landscapes.
Given the demanding nature of the route, spring and fall are generally the best times to cycle the Oakville — Eureka loop. The milder temperatures are more comfortable for sustained effort, and the scenery can be particularly beautiful. Summer can be hot and humid, while winter may present icy conditions on some segments.
Specific parking areas for the entire loop are not detailed, but you can typically find parking near access points to trails like Grant's Trail, which is part of this route. Check local St. Louis County park regulations for designated parking lots near potential starting points in Oakville or Eureka.
Yes, the Oakville — Eureka loop incorporates sections of several other trails. Notably, it covers about 21% of the Mississippi River Trail (Missouri) and 14% of the Gravois Greenway. You'll also find smaller segments of Grant's Trail and the River des Peres Greenway.
This is a challenging road cycling route, and while some sections might pass through parks where leashed dogs are allowed, the overall length and difficulty make it generally unsuitable for bringing dogs along on the ride itself. If you plan to visit specific park areas along the route, always check their individual dog policies.
Generally, no specific permits or entrance fees are required for road cycling on public roads in St. Louis County. However, if you enter any specific county or state parks along the route, always check their individual regulations, as some may have fees or specific rules for cyclists.
Public transport options in St. Louis County are available, but direct access to specific starting points for a long cycling loop like this can be limited. You would need to research local MetroBus routes that serve Oakville or Eureka and confirm if they accommodate bicycles, especially for a racebike.
The route traverses diverse landscapes within St. Louis County. While not exclusively a scenic trail, you can expect a mix of suburban roads, potentially some riverfront views, and areas that hint at the woodland and riverside scenery found in nearby parks like Castlewood State Park, which is known for views of the Meramec River Valley.
As a long road cycling loop connecting two towns, you will find amenities in Oakville and Eureka, as well as potentially in smaller communities or commercial areas along the route. It's advisable to plan your stops for food, water, and any bike maintenance needs in advance, especially given the route's length.
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