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Routes
Running trails & routes
United States
Texas
Fort Bend County

Elm Lake and 40-Acre Lake Loop

Moderate

4.9

(6554)

6,603

runners

Elm Lake and 40-Acre Lake Loop

00:45

7.22km

10m

Running

Jog the Elm Lake and 40-Acre Lake Loop in Brazos Bend State Park, a 4.5-mile route with wetland views and wildlife.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

2.40 km

40 Acre Lake

Highlight • Lake

This is a lovely wetland environment in the Brazos Bend State Park. Trails circle the lake, allowing you to run alongside the wildlife that inhabits it, while an observation tower …

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2

4.98 km

Elm Lake

Highlight • Lake

Elm Lake is a gorgeous body of water in the heart of the Brazos Bend State Park. A loop of the lake is just 1.7 miles (2.7km) and a run …

Tip by

B

7.22 km

End point

Parking

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Way Types & Surfaces

Way Types

6.90 km

180 m

110 m

Surfaces

7.05 km

118 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Monday 18 May

31°C

25°C

55 %

Additional weather tips

Max wind speed: 29.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Are there any entrance fees or permits required for this trail?

Yes, the Elm Lake and 40-Acre Lake Loop is located within Brazos Bend State Park, which requires an entrance fee. You can typically purchase day passes at the park entrance or online in advance.

Where can I park to access the Elm Lake and 40-Acre Lake Loop?

Parking is available within Brazos Bend State Park. The trail is easily accessible from various parking areas near Elm Lake and 40-Acre Lake. Look for signs directing you to the main trailheads once inside the park.

Is this loop dog-friendly?

Generally, dogs are allowed on trails in Brazos Bend State Park, but they must be kept on a leash at all times. Always check the latest park regulations before your visit, especially regarding wildlife safety.

What is the best time of year to jog this loop?

The trail is enjoyable year-round, but spring and fall offer the most pleasant temperatures for jogging. During these seasons, you'll also have excellent opportunities for wildlife viewing. Summer can be very hot and humid, so plan for early morning or late afternoon jogs.

What is the terrain like on the Elm Lake and 40-Acre Lake Loop?

The terrain is predominantly unpaved, featuring a wide and easy gravel path. While some sections might be paved, most of the route consists of unpaved surfaces with very little elevation change, making it comfortable for jogging.

What kind of wildlife can I expect to see along the route?

This loop is renowned for its abundant wildlife. You'll have excellent opportunities to spot various bird species and, most notably, alligators, especially around 40 Acre Lake and Elm Lake. Remember to observe wildlife from a safe distance.

Is this trail suitable for beginners or those new to jogging?

Yes, this loop is considered an easy jog, suitable for all fitness levels. Its accessible paths and minimal elevation gain make it a great option for beginners or those looking for a comfortable, scenic run.

Are there any notable viewpoints or landmarks along the way?

Absolutely! The route circles 40 Acre Lake and Elm Lake, offering picturesque wetland views. You'll also find observation towers providing expansive views across Brazos Bend State Park, perfect for birdwatching and spotting alligators.

Does this route connect with other trails in the park?

Yes, the route incorporates sections of several official trails within Brazos Bend State Park, including the Elm Lake Loop Trail, Spillway Trail, and 40 Acre Lake Trail. This allows for potential extensions or variations if you wish to explore further.

How long does it typically take to jog this loop?

The full loop is approximately 7.2 kilometers (4.5 miles) and typically takes around 45 minutes to an hour to jog, depending on your pace and how often you stop to enjoy the scenery.

Are there any specific safety considerations for this trail?

Given the presence of alligators, it's crucial to stay on marked trails and keep a safe distance from wildlife. Always be aware of your surroundings, especially near the water's edge. The park provides safety information, which you should review upon arrival.

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Elm Lake and 40-Acre Lake Loop

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10m

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