To find the trailhead, drive Banning-Idyllwild Panoramic Highway (Highway 243) south from Banning. About a mile south of town, you'll see a dirt road turn out. Follow it, and you'll reach the parking lot. You'll need an Adventure Pass, a $5 daily parking permit, to park in the lot. From there, you can hit the trail!
There's a steep elevation gain on this hike. You're going to be climbing over two thousand feet! While climbing up the trail is tough, you're rewarded by great views every step of the way. As you gain elevation, you can get a great view of the San Bernadino National Forest. The trail is dotted with boulders and pine trees. Seasonal wildflowers transform the area in the spring and summer. You may be able to find wildlife year round, so it's especially important to obey leash laws. Your trip up Black Mountain will take you far from civilization!
Though going up is tough, coming back down may be tougher. The ground is steep, so walking downhill can be hard on knees. Make things easier on yourself by wearing proper hiking boots with heavy treads. You'll gain some traction that way. Though tempting, avoid cutting through switchbacks. The ground may not be stable off the dirt path, and eroding the ground can cause problems for everyone.
Black Mountain Trail will make you say bow-WOW!