Col de la Pierre Saint Martin (South)

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A unique ride in the Spanish Pyrenees that includes a wonderful valley (best viewed on the way down) and an alpine wilderness near the summit, unlike that of many Pyrenees summits that are barren. The down on this ride is as good as the up. The tarmac is smooth, the visibility good. Let go of the brakes and watch your speeds exceed 50 mph.

The ride begins in the small, but lively town of Isaba.  The first 7.5 miles of the ride are very moderate, with grades of 4 % or less.  At mile 8 the climbing begins and is sustained at 8 % until the switchbacks are no longer. The grade then lessens until mile 15, where the ride begins to climb more steeply and the scenery becomes breath taking.

If you’re looking for a longer ride, consider starting from Anso. The additional miles are really good. Out & Back: 60 miles / 6900 feet.

**Road Ride
– Out & Back: 34 miles / 3800 ft gain
– Location: ~ 1.5 hours northeast of Pamplona by car
– Date Posted: July 2017

– Terrain: A moderate Pyrenees climb, with a sustained pitch of 8 % for 5 miles.
– Pavement: Mostly back country roads. The tarmac is in good condition.
– Traffic: Very little to little.

**The Start
Isaba has several general parking areas, pick one.

**Food / Water

**More Info
For General information on riding the Pyrenees, see our blog post.

**GPX Track File
Click to download.

Click “View Full Route” in the upper left of the graphic for full screen display and various downloadable GPS file types. For help with Ride, GPS files, etc. see the “Help with …” page.

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