>>53208034Route 1 has the cemetery, rotue 3 has the meadow, cave, and water, route 1 has water and Ten Karat Hill, the third island has the desert, power plant, meadow, water on a few routes, island 2 is more linear, but has the largest trial zone and a decent amount of water.
The few routes that could be considered bad are route 10 (you skip the mountain on your way to the observatory, so it ends up being pretty short) and route 4 and 6, which are both in the middle of Akala.