Manix Wash is a straight-through sandy trail that connects I15 to the Mojave River and the Mojave Road Connector. The road traverses its namesake wash, weaving across the soft sandy track and passing towering walls created from centuries of erosion. It intersects and crosses the Mojave River before entering another drainage with more soft sand and towering cliff walls, but also presenting a minefield of exposed, grapefruit-sized lava rock. Along this trail, you can expect to encounter rough sections of deep sand ruts and rolling whoops that your suspension will either eat up or jar your teeth loose. The rocky sections along the southeast end are a bit bumpy, but most rocks are easy to avoid and drive between. The trail is suitable for any high clearance vehicle, but airing down is necessary, and 4WD is highly recommended due to soft sand conditions.
Along the first mile on the northwest end, you will notice several large areas with fire rings. These should not be considered campsites as they are located on private land. At nearly 1.5 miles, just before dropping into the wash, the road enters BLM land, and there are a couple of large areas that show evidence of camping. These are close to the highway, so noise is a definite factor if attempting to camp here. Along the rest of the trail, there are no suitable campsites.