Riverside Hot Springs Inn & Spa - Adults OnlyLava Hot Springs, Idaho
★ 8.3/10 · 190 guest reviews

Riverside Hot Springs Inn & Spa - Adults Only

Historic adults-only inn with private hot springs.

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5 room types Wi-Fi Parking Breakfast Pet-friendly A/C Spa
Riverside Hot Springs Inn & Spa - Adults Only
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This historic adults-only inn in Lava Hot Springs, Idaho, offers a retreat with private hot springs and on-site dining. It provides a peaceful setting for couples or individuals seeking relaxation. The property is within walking distance of local attractions. The inn features a full-service spa for rejuvenation and on-site restaurants for convenient meals. Guests can enjoy the garden and sun terrace, or explore nearby parks and museums.

8.3/10
Guest rating
190 reviews
5
Room types
available

Should you book Riverside Hot Springs Inn & Spa - Adults Only?

A relaxing adults-only stay with hot springs and on-site dining.

Best for

  • Romantic getaways
  • Hot spring relaxation
  • Historic property charm

Maybe not ideal for

  • Those seeking nightlife
  • Travellers wanting family activities

private hot springs

Relax in dedicated private hot springs exclusive to guests. These soothing thermal waters offer a unique way to unwind and enjoy the natural landscape surrounding the inn.

On-site dining

Enjoy meals at the hotel's restaurants, Portneuf Grille & Lounge and Cafe A'more. The property also has a bar, offering convenient options for breakfast, lunch, and dinner during your stay.

Full-service spa

The spa offers massages and rejuvenation treatments. It provides an additional layer of relaxation and pampering for guests looking to enhance their wellness experience.

Historic setting

This inn is a historic property, offering a sense of classic charm and character. The building has parquet floors and private bathrooms for guest comfort.

Rooms & rates

Queen Room

1 queen bed

King Room

1 king bed

Queen Room with Two Queen Beds

2 queen bed

Standard Queen Room

2 queen bed

Standard King Room

1 king bed

What you'll enjoy

Spa & Wellness
On-site Dining
Breakfast
Bar & Lounge
Free Parking
Free Wi-Fi

Gallery

Amenities & facilities

Most popular facilities

  • Free parking
  • Non-smoking rooms
  • Free Wifi
  • 3 restaurants
  • Spa and wellness center
  • Bar
  • Breakfast

Great for your stay

  • Parking
  • 3 restaurants
  • Private bathroom
  • Spa and wellness center
  • Pet friendly
  • Air conditioning
  • Bath
  • Free Wifi

Private bathroom

  • Toilet paper
  • Towels
  • Bath or shower
  • Toilet
  • Free toiletries
  • Bath

Bedroom

  • Wardrobe or closet
  • Alarm clock

Outdoors

  • Outdoor furniture
  • Sun deck
  • Terrace
  • Garden

Activities

  • Live music/Performance
  • Happy hour Additional charge
  • Water park Additional charge Off-site
  • Evening entertainment
  • Horseback riding Additional charge Off-site
  • Cycling Off-site
  • Hiking Off-site
  • Skiing Off-site

Location

255 East Portneuf Street, Lava Hot Springs, ID 83246, United States, Lava Hot Springs, Idaho

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Riverside Hot Springs Inn & Spa - Adults Only is located in Lava Hot Springs, Idaho.

5 sights nearby, 4 of them within 0.5 mi; the closest is South Bannock County Historical Center Museum at 450 ft.

Things to do nearby

  • South Bannock County Historical Center Museummuseum450 ft
  • Sunken Gardensgarden0.2 mi
  • City Parkpark0.2 mi
  • Lava Hot Springs Olympic Swimming Complexwater park0.3 mi
  • Mount Mohpeak1.0 mi

Straight-line distances from the property · data © OpenStreetMap contributors

What guests say

8.3 / 10 · Very good on Booking.com, from 190 guest reviews

Friendly & helpful staff · 9Location (riverside, in-town) · 6Historic character & charm · 5Private hot spring / mineral baths · 3Food & dining experience · 5

Riverside Hot Springs Inn & Spa wins consistent praise for its genuinely friendly staff, prime riverside location, and the unique draw of private mineral-bath tubs — all wrapped in historic charm that loyal repeat guests clearly appreciate. However, the property's age is a recurring concern: worn carpets, outdated furnishings, insufficient summer air conditioning, and a breakfast that falls short of expectations temper the overall experience. Guests who embrace the quirky, heritage character and prioritise the hot-spring experience tend to leave satisfied, while those expecting modern comforts may be disappointed.

Reviews scoring 9–10: 11 · average 9

They wrote about: staff, breakfast, location

Reviews scoring 7–9: 19 · average 7.6

They wrote about: breakfast, room, location

Good to know

Wi-FiFree
ParkingAvailable
Air conditioningAvailable
Front desk24 hours
MealsBreakfast available
Typical guestsCouples (77% of reviewers)
Luggage storageAvailable
Non-smoking roomsAvailable
Dining3 restaurants on-site

House rules

Check-in

From 3:00 PM

Guests are required to show a photo ID and credit card at check-in.

You need to let the property know what time you'll be arriving in advance.

Check-out

From 5:00 AM to 11:00 AM

Cancellation/ prepayment

Cancellation and prepayment policies vary according to accommodation type. Enter your stay dates and check the conditions of your selected option.

Curfew

The entrance to the property is closed between 00:00 and 05:00

Age restriction

The minimum age for check-in is 20

Pets

Pets are allowed. Charges may apply.

Frequently asked questions

What amenities are in the rooms?

Rooms come with private bathrooms, air-conditioning, a TV, parquet floors, and a work desk.

Does the hotel have parking?

Yes, the hotel offers free parking for guests.

Is breakfast included?

Breakfast is available at the hotel.

What dining options are available on-site?

There are three on-site restaurants: Portneuf Grille & Lounge and Cafe A'more, plus a snack bar and coffee house.

Is the hotel pet-friendly?

Yes, the hotel offers pet-friendly rooms.

Can children stay at the hotel?

No, this is an adults-only hotel.

What is near the hotel?

The hotel is within walking distance of Lava Hot Springs and close to attractions like the South Bannock County Historical Center Museum and Sunken Gardens.

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Contact Riverside Hot Springs Inn & Spa - Adults Only

Address255 East Portneuf Street, Lava Hot Springs, ID 83246, United States, Lava Hot Springs, Idaho
Hotel contact (for guests)Check availability & rates →