Pinkley Peak GPX Track
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Pinkley Peak is the tallest summit in the Puerto Blanco Mountains, its colorful form showcasing prominent bands of rhyolite and tuff. Reaching the trailhead is possible for any vehicle, and with a picnic area and bathrooms available, we were able to enjoy the scenery over lunch after the short hike.
The summit is isolated from other prominent peaks, its separation making it interesting in its own right. Pinkley Peak was impressive from where we stood, its eastern slopes a bit of a colorful mess that seemed annoying to navigate, so we decided to ascend via the east ridge. On the descent, we discovered that the adjacent slope was more straightforward, but we were here for the fun, and the ridge was more engaging.
We gained the east ridge, which offered some playful terrain. It was mostly Class 2, with some avoidable Class 3 sections as we navigated a few small cliffs and cool alcoves. Higher up, the ridge steepened as we approached the base of the summit. Most previous hikers seem to prefer side-hilling beneath the sheer face formed by the summit ridge, but we opted for a direct line. This turned into a steep, solid Class 3 scramble, exactly the kind of fun we came for.
Route-finding wasn’t much of an issue, though we may have just gotten lucky choosing the right ledges and weaknesses in the rock. There’s more than one way to the top, but it’s easy to wander into Class 4 or 5 territory if you’re not paying attention. We stuck with solid Class 3 options, climbing through features that looked intimidating from below but proved reasonable.
All too soon, we reached the summit ridge. The final push was mostly Class 2/3, and although it was narrow, we never felt dangerously close to the drop on either side. We even stumbled across an abandoned camp tucked into a grotto—likely an old smuggler’s site, given how well-hidden it was and the presence of a wall built to block sunlight.
Rather than descend the same way, I decided to scout the standard route by dropping south from the summit and contouring below the ridge before rejoining our ascent route. It was mostly Class 2 with some loose sections and was technically easier, but not quite as rewarding as the more direct option.
On our way back to civilization, we checked out the historic town of Ajo, a worthwhile stop.
PEAKS ON HIKE
Elevation (ft) / Prominence (ft)
1
Pinkley Peak
3145 ft
1345
rise
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