Fern Lake Trail

Rocky Mountain National Park, Colorado, United States

7.1 miles (11.5 km) · 729 ft elevation gain · Point to Point · trail · Route

How long it takes

Moving time for a runner at each flat-ground pace, from the grade of every 100 m of the route. Stops are not included.

Flat-ground paceMoving time
8:00/mi (4:58/km)1 h 04 min
10:00/mi (6:13/km)1 h 19 min
12:00/mi (7:27/km)1 h 35 min
14:00/mi (8:42/km)1 h 51 min

Route facts

Distance7.1 mi (11.5 km)
Elevation gain729 ft (222 m)
Average gain102 ft per mile (19 m per km)
Longest climb1.8 mi, 685 ft of gain
Steepest climb grade12.4%
Runnable51% of the route
Climbs / descents1 climbs, 2 descents
Profile shapeSteady descent
Difficulty score8.2 of 100
Surfacetrail
Route shapePoint to Point
TypeRoute

Grade breakdown

Grade bandShare of route
Flat17%
Mild uphill6%
Moderate uphill12%
Steep uphill6%
Mild downhill13%
Moderate downhill15%
Steep downhill31%

Questions about Fern Lake Trail

How long does it take to run Fern Lake Trail?

At a flat-ground pace of 10:00/mi (6:13/km), Fern Lake Trail takes about 1 h 19 min of moving time. At 8:00/mi (4:58/km) it takes about 1 h 04 min, and at 12:00/mi (7:27/km) about 1 h 35 min. The times come from the grade of every 100 m of the route. Stops are not included.

How much elevation gain does Fern Lake Trail have?

Fern Lake Trail has 729 ft (222 m) of elevation gain over 7.1 miles (11.5 km). That averages 102 ft of gain per mile.

How difficult is Fern Lake Trail?

The difficulty score for Fern Lake Trail is 8.2 of 100. That is harder than 67.4% of routes at a similar distance. About 51% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Fern Lake Trail?

The longest climb on Fern Lake Trail runs 1.8 miles (2.9 km) and gains 685 ft (209 m). The steepest climb grade on the route is 12.4%.

Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.

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