Madera County Road 612 is a dirt surfaced rural highway located northeast of Raymond in the Sierra Nevada foothills. The roadway begins at Road 415 (formerly Raymond Road) near the site the Knowles and follows a 7.6-mile winding course to Road 600 (Grub Gulch Road) near the site of the mining town of Grub Gulch. Road 612 was historically known as the Hartman Cutoff Road prior to Madera County dropping road names in favor of the current numbering system. The corridor was developed as shortcut as a shortcut between the communities of Knowles and Grub Gulch.
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