Originally Posted by Hammertoe

TopoUSA says...

Canton Ave between Coast and Hampshire Ave is avg 10% grade with max of 15% grade (463 ft long)...

Canton Ave from Hampshire Ave to dead end is avg 11% grade with max of 17% grade (479 ft long)...

Hampshire Ave from Canton to Alverado is avg grade 13% with max of 14% grade (461 ft long)...

I don't know which it is but all are pretty steep...