So- Hum: Short for Southern Humboldt, and is the southern half of Humboldt County located in northern California. Used to explain an area of the County were some of the worlds Best Weed is grown and is one of three county's that make up the Emerald Triangle with Trinity and Mendocino County's being the other two. Has mostly rolling grass hills with Oak, Madrone and fir trees dominating the landscape, with several forks of the Eel River running through it from south to north one of the few rivers in the world that runs south to north.