San Sevaine Flats

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.

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

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.

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

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

The Etiwanda Fire was a wildfire in the San Bernardino National Forest in the foothills north of Rancho Cucamonga. The fire started on April 30, 2014, during Santa Ana wind conditions of high temperatures and strong winds. On the first day, four schools and more than 1,500 homes were evacuated; residential evacuation orders were canceled that evening. Nine schools were closed on May 1, but they all were reopened on May 2. Many nearby communities were warned of unhealthy air quality. It burned 2,143 acres (867 ha) and was fully contained on May 10. The Etiwanda Fire was caused by an escaped illegal campfire.

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

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

Summit Intermediate is a public school in Rancho Cucamonga, California. It is one of the sixteen schools of the Etiwanda School District.

The Cucamonga Wilderness is a federally designated wilderness area located in the eastern San Gabriel Mountains, in San Bernardino County, Southern California. The 12,781 acres (5,172 ha) wilderness is managed by the United States Forest Service in Angeles National Forest and San Bernardino National Forest Elevations range from about 5,000 to 9,000 feet (1,500 to 2,700 m).