GR R3

Parc national de La Réunion (cœur), La Réunion, France

19.4 miles (31.3 km) · 8,980 ft elevation gain · Loop · trail · Route

GR R3 is a 19.4-mile loop route in Parc national de La Réunion (cœur), La Réunion, France, gaining 8,980 feet of elevation. The route follows a valley-shaped elevation profile. The terrain breaks into 5 distinct sections including 2 significant climbs. The longest climb covers 5.8 miles gaining 3,918 feet at an average 28.3% grade. Only 28% of the terrain is runnable — expect substantial hiking throughout. The route opens with a descent and finishes with a gradual descent.

Route facts

Distance	19.4 mi (31.3 km)
Elevation gain	8,980 ft (2,737 m)
Average gain	462 ft per mile (87 m per km)
Longest climb	7.1 mi, 5,000 ft of gain
Steepest climb grade	86.2%
Runnable	28% of the route
Climbs / descents	2 climbs, 2 descents
Profile shape	Down, then up
Difficulty score	17.2 of 100
Surface	trail
Route shape	Loop
Type	Route

Grade breakdown

Grade band	Share of route
Flat	12%
Mild uphill	4%
Moderate uphill	7%
Steep uphill	33%
Mild downhill	5%
Moderate downhill	7%
Steep downhill	32%

Questions about GR R3

How much elevation gain does GR R3 have?

GR R3 has 8,980 ft (2,737 m) of elevation gain over 19.4 miles (31.3 km). That averages 462 ft of gain per mile.

How difficult is GR R3?

The difficulty score for GR R3 is 17.2 of 100. That is harder than 87.2% of routes at a similar distance. About 28% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.

What is the longest climb on GR R3?

The longest climb on GR R3 runs 7.1 miles (11.4 km) and gains 5,000 ft (1,524 m). The steepest climb grade on the route is 86.2%.