This route leads from the Onomichi Expressway and Matsue Expressway via the Sera IC. From the Sera IC, this route takes about 20 minutes. Please be aware that there are no convenience stores or gas stations along this route. Immediately after exiting Sera IC you will see Roadside Station Sera.
Get off from Sera IC, turn right and head northward
At the intersection after getting of SERA IC, head to Kozan bypass / As the road will hit National Highway 432, please make a right.
Make a left at the Ogusa intersection
Keep going straight for about 1 kilometer (about 0.6 mile), make a left at Ogusa intersection. It might be a little confusing since there will not be any signs indicating what’s on the left.
There will be a map on the left hand side just before the intersection.
Prefectural road Route 56 (to Yamadagawa dam direction) from County Road 51 Route
Turn left at Ogusa intersection to join prefectural road route 51. Head to Sanwa/Yasuda (Yamadagawa dam) at the three-forked road
Continue past Sera Kogen Farm for several minutes, and turn right.
You will see in the distance on your right hand side a sign with directions, and then make a right turn at the three-way junction directly in front of it.
Make a left turn at the intersection of Prefectural Road Route 428 (Uka Yasuda Route).
Look for the stone monument.