Four Lakes Loop, Trinity Alps Wilderness (CA)

Trinity County, California, United States

18.2 miles (29.4 km) · 5,686 ft elevation gain · Loop · trail · Route

Four Lakes Loop, Trinity Alps Wilderness (CA) is a 18.2-mile loop route in Trinity County, California, United States, gaining 5,679 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 5 distinct sections including 2 significant climbs. The longest climb covers 6.0 miles gaining 3,809 feet at an average 11.8% grade. Only 29% of the terrain is runnable — expect substantial hiking throughout. The route opens with a climb and finishes with a descent.

Route facts

Distance	18.2 mi (29.4 km)
Elevation gain	5,686 ft (1,733 m)
Average gain	312 ft per mile (59 m per km)
Longest climb	6.0 mi, 3,760 ft of gain
Steepest climb grade	24.8%
Runnable	29% of the route
Climbs / descents	3 climbs, 2 descents
Profile shape	Up, then down
Difficulty score	18.5 of 100
Surface	trail
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	5%
Mild uphill	9%
Moderate uphill	12%
Steep uphill	31%
Mild downhill	7%
Moderate downhill	9%
Steep downhill	29%

Questions about Four Lakes Loop, Trinity Alps Wilderness (CA)

How much elevation gain does Four Lakes Loop, Trinity Alps Wilderness (CA) have?

Four Lakes Loop, Trinity Alps Wilderness (CA) has 5,686 ft (1,733 m) of elevation gain over 18.2 miles (29.4 km). That averages 312 ft of gain per mile.

How difficult is Four Lakes Loop, Trinity Alps Wilderness (CA)?

The difficulty score for Four Lakes Loop, Trinity Alps Wilderness (CA) is 18.5 of 100. That is harder than 89% of routes at a similar distance. About 29% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Four Lakes Loop, Trinity Alps Wilderness (CA)?

The longest climb on Four Lakes Loop, Trinity Alps Wilderness (CA) runs 6.0 miles (9.7 km) and gains 3,760 ft (1,146 m). The steepest climb grade on the route is 24.8%.