South of Frazier Park in the Los Padres National Forest, the Alamo Mountain Loop is a 20 mile loop open to ATV riding. It is mostly level, but does have some narrow stretches and blind corners. After the pavement ends, the trail is rutted with rocky sections.
To reach the Goldhill Campground trailhead from the intersection of I-5 and SR 14 in Santa Clarita, go north on I-5 for 33.5 miles. Take exit 194 and go west on Gold Hill Rd./ 8N01 for 11.5 miles. Turn right into the Goldhill Campground Area.
Note: As of September 2007, ATV riding is only permitted on Forest Service roads with vertical number signs. All ATVs must have a valid California Green ATV sticker. ATV riding is prohibited on Forest Service roads with horizontal number signs.
Overall, Alamo Mountain Loop is the 47th most popular ATV riding trail of all 106 ATV trails in California.