San Ysidro Mountain

With my peak-bagging friends busy, I set off to climb San Ysidro solo. I had planned to grab breakfast from the Jack In The Box in Ramona, but they were closed. Crud. Thankfully, Don’s Market in Santa Ysabel was open and I was able to grab some food. Just past where the Montezuma Valley Market is, I turned on to the dirt road that would take me to the start of the hike. I parked, grabbed my gear, and set off down the old jeep road. A tree had fallen since the last time had been here, so I had to drop into the stream bed to bypass it.

At the saddle, I opted to stay high and work my way toward the gully that I would follow to the base of the mountain. While it was not terrible, it was not great either. Once at the gully, the going became easy for a bit. At the base, I checked my previous track and started the climb. Some cairns were erected along the way, but the route mostly showed itself to me.

Once at the summit I took in the views. The previous time I was here they were obscured by clouds. I scrambled to the summit block and signed the register. I peered up to locate the two reference marks. I did not feel comfortable scrambling up their respective boulders solo.

My return route went smoothly, letting the mountain guide me back down. I did stay in the gully longer and it seemed to be slightly easier going back to the road. All told the hike was 4.01 miles in 3:38 and an elevation gain of 1,583 feet.


I am an avid peak bagger, sometimes backpacker, and former sea-kayaker living in San Diego. In 2019, I became the third person to complete the San Diego 100 Peak Challenge. Not stopping with that accomplishment, I set my sights on the harder San Diego Sierra Club 100 Peak list, which I completed in 2021. In addition, I have conquered several Six-Pack of Peaks challenges (SoCal, San Diego, and Arizona-Winter). Beyond attempting the San Diego Sierra Club 100 Peak list a second time, I am looking forward to exploring new summits and new adventures across the southwest. 

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