Off Roaders Paradise. This is 10 Acres in The Harper Lake Basin, just 15 minutes west of Barstow. This area is also known as Lockhart or Harper Lake, CA, and is straight north of Helendale. Great piece of property to camp and bring your toys and enjoy the open spaces of the Mojave Desert. GPS: 34.956693, -117.358247 (Open Route FP6430, Intermediate Trail Finding Navigation skills are required) Harper Dry Lake still contains a small marsh at the edge of the lake, where there is a wildlife viewing area as thousands of migrating birds visit one of California's largest dry lakebeds. The viewing area is titled an Area of Critical Environmental Concern (ACEC). This property lies within the unincorporated area of the San Bernardino County within the 'Resource Conservation' zoning. According to the County this land use designation zoning district provides for open space and recreational activities and single family homes.