The jeep road definitely goes through (as of November, 2011) and bypasses the gate. Follow this 2-3 miles to find the TH. You pass a few branches (continue taking the left route) and an old tank before finding a few fire rings and a cairn where the trail starts up a drainage.
"Got tight last night on absinthe and did knife tricks. Great success shooting the knife into the piano. The woodworms are so bad and eat hell out of all furniture that you can always claim the woodworms did it."