Carbon Trail

Mount Baker-Snoqualmie National Forest, Washington, United States

11.2 miles (18.1 km) · 2,911 ft elevation gain · Loop · trail · Route

Carbon Trail is a 11.2-mile loop route in Mount Baker-Snoqualmie National Forest, Washington, United States, gaining 2,911 feet of elevation. The route follows a valley-shaped elevation profile. The terrain breaks into 5 distinct sections including 1 significant climb. The longest climb covers 5.6 miles gaining 2,290 feet at an average 7.5% grade. About 56% of the terrain is runnable, with significant hiking sections. The route opens with mixed terrain and finishes with a gradual descent.

Route facts

Distance	11.2 mi (18.1 km)
Elevation gain	2,911 ft (887 m)
Average gain	259 ft per mile (49 m per km)
Longest climb	6.8 mi, 2,142 ft of gain
Steepest climb grade	37.3%
Runnable	56% of the route
Climbs / descents	1 climbs, 1 descents
Profile shape	Down, then up
Difficulty score	13.1 of 100
Surface	trail
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	10%
Mild uphill	32%
Moderate uphill	10%
Steep uphill	16%
Mild downhill	4%
Moderate downhill	10%
Steep downhill	17%

Questions about Carbon Trail

How much elevation gain does Carbon Trail have?

Carbon Trail has 2,911 ft (887 m) of elevation gain over 11.2 miles (18.1 km). That averages 259 ft of gain per mile.

How difficult is Carbon Trail?

The difficulty score for Carbon Trail is 13.1 of 100. That is harder than 79.1% of routes at a similar distance. About 56% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Carbon Trail?

The longest climb on Carbon Trail runs 6.8 miles (10.9 km) and gains 2,142 ft (653 m). The steepest climb grade on the route is 37.3%.