ROUTE TIPS: Here is the Google Maps link. Laochijia is in the center, the gray buildings, in Chunerh ("spring sun") Township. PROTIP: If you just bash 老七佳 into Google it takes you to the wrong place. To get to Laochiajia, you have to follow the Pingtung 132 east from either the 1 or the 185. We assembled at Lili Elementary on the 132 here. There is a 7-11 for snacks and stuff nearby. Follow the 132 out of town. As it curves along the river, it will descend into the riverbed and become a couple of kilometers of gravel, criss-crossing the river, quite fun. When you reach the red suspension bridge, go up on the left (east) side of the bridge, up the very steep slope. This begins 3 kms or so of brutal switchbacks, few dipping below 10% and several about 20. This is a concreted surface. The concrete stops about 1.5 kms before Laochiajia, and then you are on rutted dirt/rock surface. That will end in the parking lot, which seems to be the only place in Laochijia where you can get 3G service. There is no electricity in Laochijia, and no food, so you have to bring your own. You'll need a bike with tires for all the different surfaces, and good gearing for the tough climb to Laochijia. Allow about two hours with rests and photos.
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