Middle Fork Lytle Creek

North Fork Lytle Creek is a tributary of Lytle Creek in San Bernardino County, California.

South Fork Lytle Creek is a tributary of Lytle Creek in San Bernardino County, California.

Bonita Falls are a set of waterfalls in the San Bernardino National Forest, formed by Bonita Creek, that is said to be 370 or 400 feet (113 or 122 meters) in height, but possibly up to 495 feet high because of two undocumented drops in the canyon above. It is the second tallest in the national forest, being surpassed only by 500-foot (150 m) Big Falls. These two waterfalls are reputably the tallest in southern California.

Miller Narrows is a gap that Lytle Creek passes through just below its confluence with South Fork Lytle Creek in San Bernardino County, California.

Lytle Creek is a census-designated place in the San Gabriel Mountains, within San Bernardino County. It is about 16 miles (26 km) northwest of downtown San Bernardino and 10 miles (16 km) from the cities of Fontana and Rialto. This small remote community is located in a large southeast-trending canyon on the eastern portion of the San Gabriel Mountains completely within the boundaries of the San Bernardino National Forest. The population was 701 at the 2010 census. The ZIP Code for Lytle Creek is 92358 and the community is inside area code 909.

San Sevaine Flats is a small area of flatland east of Cucamonga Peak in the San Gabriel Mountains in San Bernardino County, California. The area is in the Cucamonga Wilderness in the San Bernardino National Forest, 1.24 miles south of Bonita Falls on South Fork Lytle Creek and north of Rancho Cucamonga, California. It has an elevation of 1,690 meters, or 5,545 feet.

Arrowhead Farms is an unincorporated community of San Bernardino County, California. It is now a foothill and rural neighborhood of the city of San Bernardino located just northeast of the Interstate 215 and Interstate 210 junction. Arrowhead Farms is in the 92407 ZIP Code and is within the 909 area code.

The Blue Cut Fire was a wildfire in the Cajon Pass, northeastern San Gabriel Mountains, and Mojave Desert in San Bernardino County, California. The fire, which began on the Blue Cut hiking trail in the San Bernardino National Forest, was first reported on August 16, 2016 at 10:36 a.m., just west of Interstate 15. A red flag warning was in effect in the area of the fire, with temperatures near 100 °F (38 °C) and winds gusting up to 30 miles per hour (48 km/h).By August 18, the fire had burned 37,000 acres (57.8 sq mi; 149.7 km2) of land and destroyed 105 homes and 213 other structures.

Etiwanda Falls is a waterfall in North Etiwanta Preserve in Rancho Cucamonga, California. It is fed by East Etiwanda Creek and can be accessed through a short 1.6 mi (2.6 km) hike into a canyon. The approximately 50 ft (15 m) falls were created by two streams that merged and funneled the water into one area. It has three drops, which are about 15 ft (4.6 m), 10 ft (3.0 m), and 25 ft (7.6 m) respectively. In February 2023, a dead body was found at the trailhead.

Meyer Canyon Creek is a tributary of Lytle Creek in San Bernardino County, California.

Grapevine Canyon Creek is a tributary of Lytle Creek in San Bernardino County, California.

Crowder Canyon, originally Coyote Canyon, is a valley in San Bernardino County, California. Its mouth was at an elevation of 2,999 feet / 914 meters at its confluence with Cajon Canyon. Its source was at an elevation of 4200 feet at 34°21′02″N 117°26′04″W near Cajon Summit. The canyon runs southward just west of the top of Cajon Pass then turns southwestward to meet Cajon Canyon.