Riverside Mountains, California

Riverside Mountains, California

Page Type Page Type: Trip Report
Location Lat/Lon: 34.03586°N / 114.51819°W
Additional Information GPX File: Download GPX » View Route on Map
Date Date Climbed/Hiked: Feb 14, 2024

Overview

Riverside Mountains and Colorado River
Riverside Mountains and Colorado River

 

The Riversides form a small desert mountain range that rises on the western banks of the Colorado River in southeast California. The range is roughly 5.5 miles north-south by 3.2 miles east-west. The highest point rises to 2254 ft (1950 ft above Colorado River 3.5 miles away). The high point can be reached by hiking up a severely eroded abandoned mining road to a 1630 ft saddle and then struggling up a steep talus field.

 

L to R: Point 1963 ft, Middle Peak, Point 1494 ft and main summit
L to R: Point 1963 ft, Middle Peak, Point 1494 ft and main summit

Trip Report

 

 

 

Hike Length: 5.1 miles

Starting Elevation: 550 ft

Highest Point Reached: 1920 ft

Total Ascent: 1680 ft

 

 

February 14, 2024

 

Left the vacation rental house in Big River, California around 6 AM (sunrise 6:30). The bulk of the Riverside Mountains rose above the desert plains as I drove south on US Highway 95. At the junction of Agnes Wilson Road, I turned west onto a nameless dirt road that was well graded and went toward the mountains. After 2000 ft, a faint two-track branched on the left. I wanted to get further away from the highway, so I drove a little more and then parked at a nondescript spot.

 

Started my hike at 6:45 AM. Elevation was 550 ft. Looking southeast at the Mesquite mountains of Arizona.

 

Mesquite Mountains
Mesquite Mountains

 

Looking toward the Riverside Mountains. Right to left: Main summit, Point 1494 ft (sharp), Middle Peak and Point 1963 ft.

 

Riverside Mountains from the start of my hike
Riverside Mountains from the start of my hike

 

Points 1597 ft and 1688 ft to the northwest.

 

Points 1597 ft and 1688 ft
Points 1597 ft and 1688 ft

 

Went a short distance south until I reached the two-track then began to follow it southwest toward the mountains.

 

Riverside Mountains
Riverside Mountains

 

After 0.5 miles, at an elevation of 675 ft, I reached an abandoned mine at the base of the mountains.

 

Abandoned mine
Abandoned mine

 

The two-track then entered a mountain valley and began to go up in elevation. In many places, the two-track was severely eroded or covered by rockslides, but it was generally easy to hike. I later realized that a trail paralleled the two-track on the other side of the valley.

 

Hiking up the valley
Hiking up the valley
Hiking up the valley
Hiking up the valley
Hiking up the valley
Hiking up the valley

 

After a crazy steep section and 1.5 miles, at an elevation of 1280 ft, I reached a saddle. The middle peak of the Riverside Mountains and the next saddle where I needed to go came to view.

 

The middle Peak from the 1280 ft saddle
The middle Peak from the 1280 ft saddle

 

The path went down around 100 vertical feet and then began to go up again toward the 1630 ft saddle.

 

The 1630 ft saddle and the middle peak on the left
The 1630 ft saddle and the middle peak on the left

 

Slopes of the summit.

 

Slopes of the summit
Slopes of the summit

 

Looking back at Point 1494 ft.

 

Point 1494 ft
Point 1494 ft

 

Just before the saddle, I went to a cave which seemed to house a lot of old mining junk.

 

Old mining junk in cave
Old mining junk in cave

 

At 8:24 AM, and 2.27 miles, I reached the 1630 ft saddle. Slopes of the summit to the northwest.

 

Slopes of the summit
Slopes of the summit

 

Looking southwest at the West Maria Mountains.

 

The West Maria Mountains
The West Maria Mountains

 

The slopes above the saddle were steep scree fields that seemed to lead to rocky areas and cliffs.

 

Slopes of the summit
Slopes of the summit
Slopes of the summit
Slopes of the summit

 

I veered left going beyond a ridgeline of sorts, but those slopes turned out to be probably worse. I was struggling up steep nasty slippery scree fields and the rocky parts above the scree fields did not look promising. The sun was feeling hot (although in reality it was fairly cool).

 

Nasty steep slopes up
Nasty steep slopes up

 

Looking down the nasty slopes toward the Maria Mountains.

 

Nasty steep slopes down
Nasty steep slopes down

 

Zoomed view of Big Horns on the upper slopes.

 

Big Horn
Big Horn

 

Big Horn
Big Horn
Big Horn
Big Horn

 

 

At an elevation of 1920 ft, I decided that I did not want to deal with the nasty slopes anymore, so I turned around going back toward the 1630 ft saddle. The saddle and Peak 1963 ft seen.

 

Peak 1963 ft and the 1630 ft saddle
Peak 1963 ft and the 1630 ft saddle

 

Maria Mountains.

 

West Maria Mountains
West Maria Mountains

 

Point 1494 ft.

 

Peak 1494 ft
Peak 1494 ft

 

An interesting formation to the southwest of the 1630 ft saddle. The Maria Mountains also seen.

 

Maria Mountains
Maria Mountains

 

At 9:11 AM, I sat at the saddle to eat and rest. I was actually feeling cold. Then began to hike down the way I had come. Point 1494 ft appeared as a dramatic peak.

 

Zoomed view of Peak 1494 ft
Zoomed view of Peak 1494 ft

 

Point 1494 ft
Point 1494 ft

 

Followed the path down to the 1280 ft saddle. Looking back at the 1630 ft saddle and the Middle Peak.

 

Middle Peak
Middle Peak

 

Looking down the drainage and the plains to the east.

 

Plains to the east
Plains to the east

 

Rockslide over the road. Summit seen.

 

Landslide
Landslide

 

Peak 1963 ft.

 

Point 1963 ft
Point 1963 ft

 

Looking west at the Mesquite Mountains.

 

Mesquite Mountains
Mesquite Mountains

 

Point 1494 ft from the abandoned mine.

 

Point 1494 ft
Point 1494 ft

 

Out of the mountains on the open plain, looking back at the mountains.

 

L to R: Point 1963 ft, Middle Peak, Point 1494 ft and main summit
L to R: Point 1963 ft, Middle Peak, Point 1494 ft and main summit

 

Reached the rental Jeep at 10:48 AM.

Had the best views of the Riverside Mountains from the backyard of the vacation rental house in Big River, California.

 

Riverside Mountains, swimming pool and Colorado River
Riverside Mountains, swimming pool and Colorado River
Riverside Mountains and Colorado River
Riverside Mountains and Colorado River


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