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Hiking trails & Routes
United States
Missouri
St. Louis County

Meramec Greenway

Easy

4.7

(3070)

12,300

hikers

Meramec Greenway

01:35

6.24km

20m

Hiking

The Meramec Greenway offers a delightful, generally flat journey through riverfront forests and past limestone bluffs, providing scenic views of the Meramec River. You'll find a mix of paved, natural, and crushed stone surfaces, with many sections shaded by towering oaks. Keep an eye out for white-tailed deer and various waterfowl as you explore this accessible route, which often features open areas planted with prairie grasses and wildflowers.

This easy 3.9-mile (6.2 km) hike, with only 61 feet (18 metres) of elevation gain, typically takes about 1 hour and 35 minutes. The trail connects numerous parks, offering various trailheads and parking options. It's a great choice for families, new cyclists, or anyone looking for a gentle outdoor activity. However, be mindful that low-lying areas can flood during heavy rains, leading to temporary closures.

Part of a larger network spanning over 20 miles, the Meramec Greenway is a significant recreational asset, linking communities and parks like Greentree Park and Arnold's Grove. Its historic elements, including the route of the former Missouri Pacific Railroad, add character to the experience. The greenway also provides access points for fishing and boating on the Meramec River, making it a versatile destination for outdoor enthusiasts.

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

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1

98 m

Meramec Greenway

Highlight (Segment) • Trail

Most of the Meramec Greenway is paved and runs through the woods alongside the Meramec River. There are some unpaved side trails you may want to explore.

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6.24 km

End point

Parking

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Way Types & Surfaces

Way Types

6.12 km

< 100 m

< 100 m

Surfaces

6.12 km

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Wednesday 29 July

31°C

21°C

0 %

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Max wind speed: 14.0 km/h

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Frequently Asked Questions

Where can I park to access the Meramec Greenway?

You can find parking at various St. Louis County Parks that connect to the greenway, including George Winter, Unger, Fenton City, and Minnie HaHa Parks, as well as Emmenegger Nature Park. These parks often serve as convenient trailheads.

Is the Meramec Greenway dog-friendly?

Yes, the Meramec Greenway is generally dog-friendly. However, always keep your dog on a leash and be sure to clean up after them to maintain the trail's cleanliness for all users.

What is the best time of year to hike this trail?

The Meramec Greenway is a four-season trail, offering different experiences throughout the year. Spring and summer bring wildflowers and lush greenery, while fall showcases beautiful changing leaf colors. In winter, you might even spot eagles, especially near the river.

Are there any fees or permits required to access the trail or Lower Meramec Park?

No, there are typically no fees or permits required to access the Meramec Greenway or the parks it passes through, including Lower Meramec Park. It's freely accessible for public enjoyment.

What is the terrain like on the Meramec Greenway?

The terrain is quite varied. Many sections feature paved trails, making them very accessible and easy to walk. Other areas include unpaved, natural, or 'chat' trails (crushed rock) for a more traditional hiking feel. The route is generally flat, especially along the paved sections, though some parts may have slight inclines.

Is this trail suitable for beginners or families?

Absolutely! The Meramec Greenway is considered easy and is very suitable for beginners and families. Its generally flat and multi-use paved sections make it accessible for all fitness levels, including those with strollers or young children. Some sections are even part of St. Louis County's '30/30 Hikes Program', indicating they can be completed quickly.

What kind of scenery can I expect along the route?

You can expect scenic views of the Meramec River and its surrounding wetlands. The trail meanders through wooded areas with towering oaks, open fields, and in some sections, alongside impressive limestone bluffs. It's a beautiful mix of riverine and woodland landscapes.

Are there any notable natural features or wildlife to look out for?

Yes, the Meramec River and its wetland areas attract diverse wildlife, making it an important birding area where you might spot eagles, especially in winter. During warmer months, look for native plants and wildflowers. The limestone bluffs are also a prominent natural feature.

Does the Meramec Greenway connect to other trails?

Yes, the greenway is part of a larger network and connects to various St. Louis County Parks. It also links to other trails like the Al Foster Trail and Rock Hollow Trail, and there are plans for it to eventually connect to the Katy Trail, expanding your exploration options.

Is the Meramec Greenway a loop trail?

The Meramec Greenway is not a single continuous loop. It's comprised of several distinct segments that connect various parks and areas. You can hike out-and-back on many sections, or combine segments to create longer routes, but a full loop of the entire greenway is not typically an option.

What amenities are available along the greenway?

Along different segments of the greenway, you can find various amenities. These may include playgrounds, picnic shelters, restrooms, and even boat launches, providing convenient facilities for visitors.

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