Grandjean Loop

Sawtooth National Forest, Idaho, United States

25.4 miles (40.9 km) · 6,102 ft elevation gain · Loop · Route

Grandjean Loop is a 25.4-mile loop route in Sawtooth National Forest, Idaho, United States, gaining 6,113 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 7 distinct sections including 3 significant climbs. The longest climb covers 5.5 miles gaining 3,031 feet at an average 10.4% grade. About 47% of the terrain is runnable, with significant hiking sections. The route opens with a gradual climb and finishes with a descent.

Route facts

Distance	25.4 mi (40.9 km)
Elevation gain	6,102 ft (1,860 m)
Average gain	240 ft per mile (46 m per km)
Longest climb	7.2 mi, 3,063 ft of gain
Steepest climb grade	39.9%
Runnable	46% of the route
Climbs / descents	3 climbs, 2 descents
Profile shape	Up, then down
Difficulty score	16.6 of 100
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	8%
Mild uphill	13%
Moderate uphill	13%
Steep uphill	20%
Mild downhill	17%
Moderate downhill	9%
Steep downhill	21%

Questions about Grandjean Loop

How much elevation gain does Grandjean Loop have?

Grandjean Loop has 6,102 ft (1,860 m) of elevation gain over 25.4 miles (40.9 km). That averages 240 ft of gain per mile.

How difficult is Grandjean Loop?

The difficulty score for Grandjean Loop is 16.6 of 100. That is harder than 86.1% of routes at a similar distance. About 46% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Grandjean Loop?

The longest climb on Grandjean Loop runs 7.2 miles (11.6 km) and gains 3,063 ft (934 m). The steepest climb grade on the route is 39.9%.