Petty Mountain Loop

Missoula County, Montana, United States

24.8 miles (39.9 km) · 6,535 ft elevation gain · Loop · Route

Petty Mountain Loop is a 24.8-mile loop route in Missoula County, Montana, United States, gaining 6,529 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 3.8 miles gaining 3,042 feet at an average 15.3% grade. About 51% of the terrain is runnable, with significant hiking sections. The route opens with a climb and finishes with flat terrain.

Route facts

Distance	24.8 mi (39.9 km)
Elevation gain	6,535 ft (1,992 m)
Average gain	263 ft per mile (50 m per km)
Longest climb	4.5 mi, 2,596 ft of gain
Steepest climb grade	42.8%
Runnable	51% of the route
Climbs / descents	3 climbs, 3 descents
Profile shape	Up, then down
Difficulty score	14.1 of 100
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	9%
Mild uphill	11%
Moderate uphill	6%
Steep uphill	23%
Mild downhill	20%
Moderate downhill	11%
Steep downhill	20%

Questions about Petty Mountain Loop

How much elevation gain does Petty Mountain Loop have?

Petty Mountain Loop has 6,535 ft (1,992 m) of elevation gain over 24.8 miles (39.9 km). That averages 263 ft of gain per mile.

How difficult is Petty Mountain Loop?

The difficulty score for Petty Mountain Loop is 14.1 of 100. That is harder than 81.4% 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 Petty Mountain Loop?

The longest climb on Petty Mountain Loop runs 4.5 miles (7.3 km) and gains 2,596 ft (791 m). The steepest climb grade on the route is 42.8%.