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Routes
Road cycling routes
United States
Colorado
Boulder County
Longmont

Hygiene and Nelson Road loop

Easy

3.4

(8)

39

riders

Hygiene and Nelson Road loop

01:39

36.7km

250m

Road cycling

This easy 22.8-mile road cycling loop near Longmont offers pleasant rural scenery, Boulder Foothills views, and a stop at The Mountain Fount

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

422 m

McIntosh Lake

Highlight • Lake

McIntosh Lake is a beautiful reservoir in Longmont that offers 3.5 miles of easy walking trails and fantastic views of Longs Peak and Mt. Meeker. It's popular with walkers, runners, and cyclists, as well as paddle-boarders, kayakers, canoers (only non-motorized boats are allowed). Perhaps because ban on motor boats, McIntosh Lake is a great area to see wildlife including, prairie dogs, bald eagles, pelicans, and other water birds. The Oligarchy Ditch Greenway connects to McIntosh Lake, which is a great way for cyclists to access this area.

Tip by

2

5.12 km

The Mountain Fountain

Highlight • Rest Area

The Mountain Fountain is a great little country store in the tiny town of Hygiene in an old grocery store that was built in 1945. It is an extremely well-known and popular stop with local cyclists, and they carry a ton of snacks and drinks for you to refuel on your ride.

Tip by

3

17.4 km

Nelson Road (63rd Street to Highway 36)

Highlight (Segment) • Cycleway

Nelson Road between 63rd Street to Highway 36 takes you over rolling hills past fields with horses and cows, with great views of the Foothills and Lefthand Canyon if headed east to west. You also ride past the Table Mountain Antenna Fields Sites, which are two impressive twin antennas sitting just west of 63rd street.

Tip by

B

36.7 km

End point

Parking

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Way Types & Surfaces

Way Types

25.9 km

9.97 km

670 m

145 m

Surfaces

26.5 km

10.1 km

< 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.

Highest point (1,730 m)

Lowest point (1,520 m)

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Weather

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Today

Saturday 9 May

24°C

8°C

0 %

Additional weather tips

Max wind speed: 28.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Is the Hygiene and Nelson Road loop suitable for beginners?

Yes, this loop is classified as an easy road ride, making it suitable for cyclists of nearly any fitness level. The surfaces are mostly well-paved, contributing to a smooth and enjoyable cycling experience.

How long does it typically take to complete this cycling loop?

The Hygiene and Nelson Road loop typically takes around 1 hour and 38 minutes to complete by racebike, covering approximately 36.7 kilometers.

What kind of scenery can I expect along the route?

Cyclists can enjoy pleasant views of the Boulder Foothills, especially vibrant in the fall. The route traverses rural areas with open fields and agricultural landscapes characteristic of Boulder County's scenic farm drives. The area around Hygiene is particularly noted for its pleasant roads.

Are there any notable stops or points of interest along the way?

Yes, a key highlight and popular stop for local cyclists is The Mountain Fountain in the small town of Hygiene. This country store offers snacks and drinks for refueling during your ride. You'll also pass by McIntosh Lake and ride along a scenic section of Nelson Road.

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

The loop is particularly scenic in the fall when the leaves change, and a light dusting of snow might appear on the mountains. However, its well-paved nature makes it enjoyable throughout the warmer months as well.

Where can I park to access the Hygiene and Nelson Road loop?

While specific parking areas aren't detailed, as a popular road cycling route in Longmont, you can typically find parking in public areas or designated trailheads within the broader Longmont cycling network. Checking local Longmont city resources or visitor information (e.g., visitlongmont.org) for public parking options near the loop's starting points is recommended.

Does the route intersect with other trails?

Yes, the route also passes through sections of the Longmont Loop - South, Lykins Gulch / Supply Ditch Trail, Airport Road, and Saint Vrain Greenway, among others, connecting it to the broader Longmont cycling network.

Are dogs allowed on the Hygiene and Nelson Road loop?

As a road cycling route, dogs are generally not permitted to run alongside cyclists for safety reasons. If you bring a dog, it would need to be securely transported, such as in a bike trailer. Always check local regulations for specific leash laws and access rules in Longmont.

Do I need a permit or pay an entrance fee to cycle this route?

No, there are no specific permits or entrance fees required to cycle the Hygiene and Nelson Road loop, as it primarily uses public roads and cycle ways.

What should I bring for a ride on this loop?

Given it's a road cycling route, essential items include a well-maintained racebike, helmet, water bottles, and basic repair tools. Don't forget snacks, especially if you plan to make The Mountain Fountain a refueling stop.

Are there any cafes or amenities nearby for refreshments?

Yes, The Mountain Fountain in Hygiene is a popular country store directly on the route, offering snacks and drinks. Longmont itself has numerous cafes and amenities accessible from the broader cycling network.

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