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Routes
Road cycling routes
United States
Colorado
Boulder County
Lafayette

Chapman Drive Trail – Los Lagos Reservoirs loop from Lafayette

Routes
Road cycling routes
United States
Colorado
Boulder County
Lafayette

Chapman Drive Trail – Los Lagos Reservoirs loop from Lafayette

Hard

2.6

(12)

35

riders

Chapman Drive Trail – Los Lagos Reservoirs loop from Lafayette

09:27

141km

2,700m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is right next to a parking lot.

Last updated: August 29, 2026

Tips

The surface along some of this route may not be suitable

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

After 20.8 km for 374 m

After 21.2 km for 1.08 km

After 22.4 km for 625 m

After 23.6 km for 193 m

After 24.1 km for 4.12 km

After 37.1 km for 9.23 km

After 56.6 km for 5.60 km

Waypoints

A

Start point

Parking

Get Directions
1

24.1 km

Chapman Drive Trail

Highlight (Segment) • Trail

it's a tough climb specially when the soil is a bit wet and soft. I absolutely prefer this climb over flagstaff though because ZERO cars!

Tip by

2

37.4 km

Gross Reservoir

Highlight • Lake

Gross Reservoir is a large lake on the other side of Flagstaff Mountain. There is a hard-packed gravel road on it's eastern shore which is a great place to snap …

Tip by

3

88.5 km

Los Lagos Reservoirs

Highlight • Lake

Los Lagos Reservoirs has are situated at 8,625 feet, in Colorado. The view is stunning!

Tip by

4

97.0 km

Barker Reservoir

Highlight • Lake

Barker Reservoir is at the top of Boulder Canyon Drive just outside of the small town of Nederland. This is a great place to catch your breath after the long climb up the canyon and snap some photos.

Tip by

5

98.0 km

Boulder Canyon Drive

Highlight (Segment) • Climb

After transitioning from the bike path (if you choose to do the initial section of Boulder Canyon Drive on it) the road steadily steepens as you climb up toward Nederland. …

Tip by

6

121 km

East Pearl Street

Highlight (Segment) • Settlement

The east end of Pearl Street before you reach the Pedestrian Mall has seen a lot of growth these last few years. There are great restaurants and coffee shops as …

Tip by

7

124 km

Boulder Creek Path: 28th Street to Foothills Parkway

Highlight (Segment) • Trail

The Boulder Creek Path is a popular multi-use path that connects to many other bike trails and major roads in Boulder, allowing users to traverse across Boulder and largely avoid …

Tip by

8

128 km

Centennial Trail

Highlight (Segment) • Trail

This section of trail takes you along a paved route through a tunnel of trees by the golf course and Empson Ditch (Skunk Creek).

Tip by

B

141 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

51.5 km

48.8 km

31.6 km

6.09 km

2.71 km

333 m

220 m

Surfaces

79.9 km

39.7 km

12.0 km

9.24 km

365 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 (2,880 m)

Lowest point (1,590 m)

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Weather

Powered by Foreca

Today

Wednesday 21 October

26°C

7°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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