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Yes! The majority of hotel room reservations are fully refundable provided that you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your arrival date. If you booked a non-refundable reservation, you may still be able to cancel and be given a refund within 24 hours of booking. Filter your search by fully refundable to find flexible hotel deals in Kosai.

Tabist Kosai Hamanako no Yado is a guesthouse with free parking and laundry facilities, and it's a top choice on Expedia for families. Hotel Route Inn Hamanako is another good choice for your stay with the kids. Also, attractions such as Hamanako Palpal Theme Park and Hamamatsu Fruit Park Tokinosumika are fun for children of all ages. Find more child-friendly accommodations in Kosai.

Boyoso is a top hotel, located within a short 2-minute walk of Arai Benten Beach. Other good options for your beach trip include Kuretake Inn Hamanako and Hotel Route-Inn Hamanako. See more stays near the beach in Kosai.

Based on our travel expertise, Hotel Route Inn Hamanako is a top 3-star hotel for history buffs booking on Expedia, and it features free WiFi and free parking. If you're interested in local history, another option for your trip is Kuretake Inn Hamanako. Also, notable landmarks to visit include Sakichi Toyoda Memorial House. See more options for historical stays in Kosai.

Kuretake Inn Hamanako is a top spa hotel with 111 rooms, free WiFi and laundry facilities. Treat yourself to a massage at the on-site spa. See all spa hotels in Kosai.

Visitors can enjoy all that Kosai has to offer, including its beaches. In Kosai, there are 8 hotels and other accommodation options to choose from. Find out more about Kosai.

Landmarks like Sakichi Toyoda Memorial House, Ogaji Temple and Honkoji Temple might be worth a visit. Natural beauty is on display at Lake Hamana, Arai Beach and Arai Benten Beach. A couple of additional sights to add to your itinerary are Road Station Shiomisaka and Myoryuji Temple. Take a look at what more there is to see and do in Expedia's Kosai guide.

The hottest months are usually August and July, with an average temperature of 25°C, while the coldest months are January and February, with an average of 8°C. The rainiest months in Kosai are July, June, September and October, with each month seeing an average of 293 mm of rainfall.