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Routes
Road cycling routes
United States
Colorado
Boulder County
Longmont

Saint Vrain Greenway and Longmont Loop

Easy

3.4

(16)

97

riders

Saint Vrain Greenway and Longmont Loop

01:11

23.6km

90m

Road cycling

Enjoy an easy 14.7-mile road cycling loop on the Saint Vrain Greenway and Longmont Loop, featuring river views and Golden Ponds.

Last updated: February 26, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 22.9 km for 472 m

Waypoints

A

Start point

Parking

Get Directions

1

723 m

St. Vrain Greenway (Pierce Road to Sandstone Ranch)

Highlight (Segment) • Trail

The St. Vrain River Greenway is the "crown jewel" of Longmont's trail system as it links many parks, schools, other trails, and commercial areas via an attractive, well-maintained concrete path. This is a great way to get off the roads as you ride around Longmont!

Tip by

2

13.3 km

Golden Ponds

Highlight • Lake

The trail around the ponds is a paved bike path with a flat packed gravel side. The ponds are beautiful, especially at dawn and sunset, and there is a parking lot with restrooms on the northeast side.

Tip by

B

23.6 km

End point

Parking

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Way Types & Surfaces

Way Types

15.2 km

5.12 km

2.35 km

907 m

< 100 m

Surfaces

15.7 km

7.32 km

486 m

128 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

Powered by Foreca

Wednesday 6 May

6°C

-1°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Is this route suitable for beginner cyclists?

Yes, the Saint Vrain Greenway and Longmont Loop is rated as an "easy" route, making it ideal for beginners and casual riders. The terrain is predominantly flat with minimal elevation gain, and the path is mostly paved and well-maintained.

Where can I park to access the trail?

You'll find multiple convenient access points with parking along the route. Notable locations include parks like Golden Ponds and Sandstone Ranch, which offer good starting points and often have restrooms available.

What is the terrain like for cycling on this route?

The route is largely paved, perfect for road cycling. While mostly smooth, be aware that some sections might occasionally have gravel or dirt. The terrain is generally flat, offering a comfortable ride.

What kind of wildlife might I see along the way?

The trail follows the St. Vrain River/Creek, providing opportunities to spot various wildlife. Keep an eye out for bald eagles, wood ducks, great blue herons, and Canada geese, especially around areas like Golden Ponds Park.

When is the best time of year to cycle this route?

The route is enjoyable year-round, but spring and fall offer pleasant temperatures. During warmer months, many tree-lined sections provide welcome shade. Always check local weather conditions before heading out.

What are some notable sights or stops along the route?

You'll experience diverse scenery, including picturesque river views and spectacular mountain backdrops. The route passes through several parks like Golden Ponds, Roger's Grove, Izaak Walton, and Sandstone Ranch. You can also visit historical sites like the homestead at Sandstone Ranch Park.

Does this route connect to other trails?

Yes, the Saint Vrain Greenway is a central part of Longmont's trail network and connects seamlessly with other local systems. You can link up with trails like the Left Hand Greenway and the Longmont-to-Boulder Regional Trail, expanding your exploration options.

Is the trail dog-friendly?

While the trail is generally accessible, specific rules regarding dogs, such as leash requirements, can vary by park or section. It's always best to check local signage or the Longmont Parks and Recreation website for the most current regulations.

Do I need a permit or pay an entrance fee to use the trail?

No, you do not need a permit or to pay an entrance fee to access the Saint Vrain Greenway and Longmont Loop. It is a public trail system.

Are there facilities like restrooms or water along the route?

Yes, the trail system offers multiple access points with convenient parking and restrooms along the way. These facilities are typically found in the parks that the route passes through, such as Golden Ponds and Sandstone Ranch.

Are there any current closures or detours on the trail?

Occasionally, temporary detours may be in place due to ongoing flood mitigation projects, such as the Resilient St. Vrain project. It's advisable to check the City of Longmont's official website for any current trail alerts or closures before your ride.

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