Below are accommodations recommended by JETs in the area. If you’re looking for a more comprehensive list of options, check out Gokase Highland Ski’s recommendations here.

Gokase no Sato Camp Village 五ヶ瀬の里キャンプ村&ゲストハウス
Nestled in the mountains and surrounded by hiking trails and hidden waterfalls, Gokase no Sato is a wonderful place for a weekend stay. There are a variety of cabin options as well as a tent site available. The cabins are very nice and come with extremely comfortable bedding. You can rent almost any kitchen/cooking supplies you may need from the main building.
Location: 五ヶ瀬の里キャンプ村&ゲストハウス (map)
Website: http://gokasenosato.wixsite.com/gcamp
TEL: 090-4475-5005

Gokase Onsen Forest Inn Kijiya ごかせ温泉 森の宿 木地屋
A great place for a fancy getaway, a nice meal, or even just a good soak in the onsen, Kijiya boasts wonderful views of the mountain landscape. The restaurant features fresh, seasonal dishes using locally produced ingredients.
Location: ごかせ温泉 森の宿 木地屋 (map)
〒882-1203 宮崎県西臼杵郡五ヶ瀬町三ヶ所9223
Website: http://www.gokase.co.jp/kijiya/
TEL: 0982-82-1115