Paso Pehuenche is a climb of 6.5 kilometers (category 3). Paso Pehuenche tops out at 2,550 m above sea level. It is located in Malargüe, Mendoza, Argentina. The average gradient is 3.2% with a maximum of 8.2%. The climb has 206 meters of elevation gain.
Difficulty analysis: At 6.5 km for 206 m of elevation gain and an average gradient of 3.2%, this climb is a steady, sustained grind with no real wall. The toughest stretches are km 3.5-4.0 and km 4.5-5.0, at 5%, while km 0.5-1.0 and km 6.0-6.5 give you a breather at 1%. The rest of the route alternates between 2% and 4%, so it's a constant effort rather than a single hard spot. Rated Category 3, it's doable for trained riders, as long as you pace yourself well over the distance.
Pacing tips:
1. Ease into it From km 0.0-0.5 at 4%, don't go out too hard. Save something in the tank for the rest of the climb.
2. Keep a steady cadence on the 5% sections On km 3.5-4.0 and km 4.5-5.0, shift into an easier gear and keep a smooth, steady cadence rather than mashing the pedals.
3. Recover on the flat bits Use the 1% sections at km 0.5-1.0 and km 6.0-6.5 to drink, fuel up and get your rhythm back before the final push to the top.
For cyclists who have ridden it, the climb up the Paso Pehuenche is a immersion in stunning scenery and unspoiled nature. Riders describe "breathtaking" views over the Andes cordillera, with "spectacular" snow-capped peaks in winter and high-altitude lakes such as Laguna del Maule. Many admit to being tempted to stop "every 5 minutes" to photograph panoramas that are "jaw-dropping".
The riding experience itself is generally positive. Most cyclists report a fully paved surface in "very good condition", especially on the Chilean side, which makes for a rolling climb. However, a few riders mention a stretch of ripio (gravel) on the Argentine side, near Bardas Blancas, that requires some care. The challenge lies less in the gradient than in the caution required: it is a mountain road with plenty of bends, and speed limits need to be respected.
The atmosphere at the summit, at the border, is often described as pleasant and efficient. Cyclists mention "quick" customs formalities and "friendly" staff on both sides, although some have experienced longer waits or checks considered "thorough". At around 2553 m, the moderate altitude of this pass is a major asset, making it more accessible and less demanding than other Andean crossings.
Riders recommend planning realistically. They strongly advise bringing warm clothing to deal with "very sudden" temperature changes and intense cold, even in summer. It is also wise to carry your own food and water, as services along the route are scarce. For those seeking an authentic cycling adventure, far from the crowds, the Paso Pehuenche offers a "unique" and "unforgettable" experience.
6.5 km • 206 m D+
VAM: average climbing speed, based on elevation gain
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