Slightly late for a full autumn, but this still still a very beautiful forest park for a 2 hours walk along river stream with a few waterfall.
The pastry and cakes sold here is very good with reasonable pricing. There is only 1 table for in house seating, and opens at 9am.
Fairly easy 1 hour hike from Kusasenri to have a pretty good view of Mount Aso Nakadake Crater spitting out poisonous gas. The surrounding views are pretty marvelous as well.
The atmosphere of the restaurant is pretty good, and it's fairly hidden. I think this is BBQ wild chicken, so the meat might be tougher.
We get up close to the crater to view loads of poisonous gas spitting out from the crater, and occasionally you can view the blue color water at the bottom of the crater.
The crater is pretty sensitive, as you might have to wait until the gas level is low enough to have a safe viewing near the edge of the crater.
The walking path around the crater is off limit during my visit.
Kusasenri is a very expensive parking area with toilet, restaurant and shopping, and starting trail to two nearby mountains.