The first part of your hike would be along a sealed, narrow lane. Then, once you arrive at your track, it is then unsealed, dirt with some roack to clamber over. The track is moderately steep so, if you are heading to Mt Sajiki, don’t push the pace.
As most hiking areas throughout Japan are maintained by volunteers, the signage isn’t what it should be. There are markers on trees, and the tracks can be in good condition, you need to take care and carry your map with you for reference.
Suggested LodgingKyoto City would be your best bet, regarding accommodation but, as I discovered, there is a hotel of sorts at the bus-stop at Kumogahata.
Again, Kyoto would be your best bet but, as I also discovered, there is an eatery of sorts near the bus-stop.