Key Mill Trail #221

AL, USA

9.5 miles (15.3 km) · 661 ft elevation gain · Loop · trail · Route

Key Mill Trail #221 is a 9.5-mile loop route in AL, USA, gaining 661 feet of elevation. The route follows a rolling elevation profile. The terrain breaks into 4 distinct sections including 1 significant climb. The longest climb covers 2.8 miles gaining 402 feet at an average 1.0% grade. Approximately 91% of the route is runnable at a steady effort. The route opens with a descent and finishes with mixed terrain.

Route facts

Distance	9.5 mi (15.3 km)
Elevation gain	661 ft (201 m)
Average gain	70 ft per mile (13 m per km)
Longest climb	3.3 mi, 245 ft of gain
Steepest climb grade	12.6%
Runnable	91% of the route
Climbs / descents	1 climbs, 1 descents
Profile shape	Rolling
Difficulty score	3.8 of 100
Surface	trail
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	63%
Mild uphill	11%
Moderate uphill	6%
Steep uphill	2%
Mild downhill	12%
Moderate downhill	5%
Steep downhill	1%

Questions about Key Mill Trail #221

How much elevation gain does Key Mill Trail #221 have?

Key Mill Trail #221 has 661 ft (201 m) of elevation gain over 9.5 miles (15.3 km). That averages 70 ft of gain per mile.

How difficult is Key Mill Trail #221?

The difficulty score for Key Mill Trail #221 is 3.8 of 100. That is harder than 35.2% of routes at a similar distance. About 91% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on Key Mill Trail #221?

The longest climb on Key Mill Trail #221 runs 3.3 miles (5.3 km) and gains 245 ft (75 m). The steepest climb grade on the route is 12.6%.