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Calvo Soltelo, 13, Solares, 39710 (show map)
Hotel Overview
Formerly Castilla Termal Balneario Solares
Before June 2022 Castilla Termal Solares was known as Castilla Termal Balneario Solares
Before July 2019 Castilla Termal Solares was known as Hotel Balneario Solares

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Facilities of Castilla Termal Solares
General
Free parking, On-site parking, Parking, Pets allowed, WiFi everywhere
Activities
Cycling, Hiking
Services
Free WiFi, Internet services, WiFi
Food & Drink
Bar, Breakfast in the room, Restaurant, Room service, Special diet menus (on request)
Pools and wellness
Fitness centre, Hot spring bath, Hot tub, Indoor pool, Indoor pool (all year), Massage, Outdoor pool, Outdoor pool (seasonal), Sauna, Spa and wellness centre
Transportation
Airport shuttle, Airport shuttle (surcharge), Electric vehicle charging station, Shuttle service (surcharge)
Front-desk/reception area services
24-hour front desk, Luggage storage, Safety deposit box, Tour desk
Common areas
Garden, Sun terrace, Terrace
Entertainment and children services
Children's playground
Cleaning services
Daily maid service, Dry cleaning, Ironing service, Laundry
Business facilities
Fax/photocopying, Meeting/banquet facilities
Miscellaneous
Air conditioning, Facilities for disabled guests, Family rooms, Heating, Lift, Non-smoking rooms, Non-smoking throughout, Soundproof rooms
Room facilities [ These may vary room to room ]
Air Conditioning, Bath, Bath or Shower, Bathrobe, Bathroom, Bidet, Cable Channels, Clothes rack, Desk, Entire unit wheelchair accessible, Extra Long Beds (> 2 metres), Flat-screen TV, Free toiletries, Hairdryer, Hardwood/Parquet floors, Heating, Hypoallergenic, Laptop safe, Linen, Minibar, Pay-per-view Channels, Radio, Safety Deposit Box, Satellite Channels, Seating Area, Slippers, Soundproofing, Spa Bath, Telephone, Toilet, Towels, TV, Upper floors accessible by lift, View, Wake Up Service/Alarm Clock, Wake-up service, Wardrobe/Closet, Wireless Internet
Hotel Policies
Check-In
From 15:00:00 hours
Check-Out
Untill 12:00:00 hours
Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.
Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.
The fine print
Children under 12 years old can use the thermal pool during children's hours.You can choose the first shift in the morning or the first shift in the afternoon. Check with the hotel for the schedule according to the season.Children under 12 years old have a supplement of 45€ for breakfast and access to the thermal pool.If your reservation includes a thermal pool or catering services, it is necessary to make a reservation in advance.If not included in the rate, the supplement for access to the thermal pools is 35€ per adult per day.For December 24 and 31, the only available rates are the special offers that include gala dinner. For more information about menus and supplements for children, please contact the hotel.Drinks are included in the half board accommodation.Guests are required to show a valid ID and credit card upon check-in.Please note that all special requests are subject to availability and may incur additional supplements.
Traveller reviews

“Really wonderfully relaxing and staff were so accommodating”
12 Aug 2025
Beautiful place and so we’ll run. Staff were incredible and the breakfast is rhetorical best thing I have ever seen! It is expensive but it’s very nice. The spa pool we had use of was incredible too and the kids could also use. We had a small issue with noise one night that was actually external and outside of the staff’s control which I understood in the end. I was very happy with how the staff dealt with it, very well Mannered The hotel is only a short drive to Santander which is a lovely city, if you have a car. We did this each evening and paid only about 5/6 euros to park in the city for an evening out

“Good overnight stay with a lovely meal in the restaurant and a great breakfast too.”
31 Jul 2025
Breakfast was great. Good selection of buffet food and eggs cooked to your liking.

“Absolutely wonderful place! Staff are in abundance and super helpful and friendly. The dinner in the restaurant is wonde”
27 Jul 2025
Massive rooms, very comfy beds, great shower and lovely extras like toothbrush and comb and even hair gel supplied. Fantastic!

“A quite expensive hotel but felt like a treat with extras.”
22 Jul 2025
The staff were lovely and helpful. Room comfortable and quiet. Lots of facilities and enjoyable walks nearby.