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From89US$ /night
Check-in
31Dec2025Select date
Check-out
01Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

255 East Portneuf Street, Lava Hot Springs, Idaho, United States, 83246
-
Close to the World Famous Hot Pools
Great
8.2
8.7
/10
4.2
/5

Riverside Hot Springs Inn & Spa - Adults Only - A historic mineral springs hotel with private soaking sessions and massage treatments

Located on the National Register of Historic Places, this 3-star Lava Hot Springs hotel features its own on-site hot mineral springs where each paid guest receives a complimentary 30-minute private soaking session. The Riverside Hot Springs Inn & Spa houses newly remodeled Classic King rooms equipped with pillowtop beds, private bathrooms with tub/shower combinations, antique dressers, and cable TV. Junior Suites add sitting areas and traditional wool rugs. Two dining venues serve guests: Cafe & A'more offers continental breakfast with baked goods, yogurt, and fruit, while the Portneuf Grille & Lounge handles dinner events. The property includes a 24-hour front desk, library, sun terrace, garden, and shared lounge area. The spa provides various massage treatments. Situated 46.5 miles from Pocatello Regional airport, the hotel stands within 0.3 miles of the South Bannock County Historical Center Museum and the World Famous Hot Pools.

Pros

Each room offers city, garden, or river views

Historical significance as former doctors' offices in early Lava Hot Springs

Surrounded by outdoor activities including hiking, biking, and skiing opportunities

Located within walking distance to multiple local restaurants and attractions

Cons

Private soaking sessions limited to 30 minutes

Located 46.5 miles from nearest regional airport

“The adults-only policy creates a distinctly tranquil atmosphere, enhanced by the inn's prime riverside location. I appreciate the blend of historical charm and modern comfort, and the inclusive access to the on-site mineral springs is a notable perk. It strikes me as a restorative retreat for those seeking a peaceful escape with personalized service.”
Hotel logo
Isabella MooreSenior Editorial Director at Petfriendlyhotels
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Select your room type

Cozy rooms, spacious suites, and family-friendly homes, all with flexible cancellation policies & special deals
Standard Queen Room
2 persons
15 m² 
2 King Size Beds
Heating
Bathtub
Standard King Room
2 persons
15 m² 
1 King-size bed
Heating
Bathtub
Queen Room
2 persons
13 m² 
1 King-size bed
Shower
Heating
Queen Room Two Queen Beds
2 persons
15 m² 
2 King Size Beds
Shower
Heating
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Facilities

Enjoy premium amenities for a relaxing stay with your pet

General

  • No smoking on site
  • Wi-Fi
  • Parking
  • 24-hour reception
  • VIP check-in/ -out
  • Pets allowed
  • 24-hour security
  • Adults only
  • Luggage storage
  • Coffee shop
  • Smoke detectors

Sports & Fitness

  • Skiing
  • Hiking
  • Horseback riding
  • Cycling
  • Golf course
  • Fishing

Services

  • Housekeeping
  • Welcome drink
  • Happy hour

Dining

  • Restaurant
  • Snack bar
  • Bar/ Lounge area
  • Special diet menus

Business

  • Business centre
  • Meeting/ Banquet facilities

Spa & Leisure

  • Aqua park
  • Live entertainment
  • Sun terrace
  • Garden area
  • Leisure/ TV room
  • Spa & wellness centre
  • Jacuzzi
  • Full body massage
  • Hot spring bath

Room features

  • Air conditioning
  • Heating
  • Sitting area
  • Terrace
  • Garden furniture

Bathroom

  • Free toiletries

Media

  • Flat-screen TV
  • AM/FM alarm clock

Room decor

  • Carpeted floor
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Dining Onsite

Riverside Hot Springs Inn & Spa - Adults Only presents a delightful culinary landscape, featuring the cozy Cafe & A'more for invigorating breakfasts and the elegant Portneuf Grille & Lounge for sumptuous dinners. Each venue caters to a range of dietary preferences, ensuring an indulgent experience for every guest.
Riverside Hot Springs Inn & Spa - Adults Only Lava Hot Springs Restaurant photo
Riverside Hot Springs Inn & Spa - Adults Only Lava Hot Springs Restaurant photo

Cafe & A'more

Continental breakfast
Ambiance
Bright and inviting, perfect for morning gatherings or quiet moments with a book.
Key Offerings
Enjoy baked goods, fresh fruit, yogurt, and a selection of premium coffees and teas to start the day on a refreshing note.
Reservation
No
Open daily from 7:00 AM to 11:00 AM

Portneuf Grille and Lounge

American
Ambiance
Traditional and warm, combining rustic charm with a refined dining atmosphere.
Key Offerings
Dinner features a variety of options including vegetarian, vegan, gluten-free, and dairy-free meals, all served in a relaxed yet sophisticated setting.
Reservation
Recommended
Open daily from 5:00 PM to 9:00 PM

Location

255 East Portneuf Street, Lava Hot Springs, Idaho, United States, 83246
Map view
255 East Portneuf Street, Lava Hot Springs, Idaho, United States, 83246
Nearby
430 East Main Street
Lava Hot Springs Foundation World Famous Hot Pools
240 m
Museum
The South Bannock County Historical Center Museum
170 m
195 N. Center St
Olympic Swimming Complex
350 m
Garden
Sunken Gardens at Lava Hot Springs
350 m
195 N. Center
Lava Hot Springs Indoor Aquatic Center & Portneuf Kiddie Cove
350 m
195 N Center St
Lava Hot Springs Olympic Swimming Complex
580 m
Amusement Park
Lava Hot Springs Swimming Pool
150 m
The Bull
380 m
Church
Lava Community Church
510 m
Lava Olympic Swimming Pool & Waterpark
560 m
Restaurants
Sweet Stuff
260 m
34 E Main
Explore Lava Hot Springs
Local Highlights Near Riverside Hot Springs Inn & Spa
Top Attractions
Activities
Dining
Entertainment
Lava Hot Springs Foundation World Famous Hot Pools
3 minutes' walk
Natural hot springs featuring various pools, ideal for relaxation. Accessible year-round with family-friendly options available.
The South Bannock County Historical Center Museum
3 minutes' walk
Local history showcased through exhibits and artifacts. Great for those interested in the area's past, with free admission days.
Olympic Swimming Complex
5 minutes' walk
A family-friendly aquatic facility with pools and slides. Perfect for a day of fun, especially during the summer months.
Sunken Gardens at Lava Hot Springs
5 minutes' walk
Beautifully landscaped gardens featuring scenic paths and vibrant flowers. An ideal spot for a leisurely stroll or a picnic.
White Water Rafting
10 minutes' drive
Adventurous rafting on the Portneuf River with guided tours available. Perfect for thrill-seekers looking to experience the outdoors.
Spa Services
5 minutes' walk
Relaxing treatments offered at local spas, featuring massages and wellness packages ideal for rejuvenation and stress relief.
Sweet Stuff
4 minutes' walk
Casual eatery known for delightful pastries and coffee. Ideal for breakfast or a sweet treat any time of day.
Local Live Music Venues
10 minutes' drive
Various spots hosting live music events throughout the week, great for enjoying local talent in a vibrant atmosphere.
Getting around
City Centre
Lava Hot Springs3 min  ·  200 m
Airports
Pocatello Regional Airport (PIH)109 min  ·  72.3 km
Idaho Falls Regional Airport (IDA)207 min  ·  137.7 km
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Property information and rules
Check-in
from 15:00-23:59
Check-out
from 05:00-11:00
Guest Parking
Private parking is possible on site for free.
Internet
is available in for free.
Breakfast
The hotel Riverside Hot Springs Inn & Spa - Adults Only serves a full breakfast for free. 
Children & extra beds
There are no cots provided in a room. 
Pets
Pets are allowed on request.
Number of rooms:
15
Former name
riverside hot springs inn (adults only)
FAQs
About Riverside Hot Springs Inn & Spa - Adults Only
What is the check-in and check-out policy at Riverside Hot Springs Inn & Spa - Adults Only?
Check-in is at 15:00 and check-out is at 11:00.
Which nearby attractions can guests visit from Riverside Hot Springs Inn & Spa - Adults Only?
Nearby attractions include Olympic Swimming Complex Water Park (0.5 km), Lava Hot Springs Swimming Pool (0.3 km), and Lava Hot Springs Foundation World Famous Hot Pools (0.5 km).
What amenities are available at Riverside Hot Springs Inn & Spa - Adults Only?
The hotel features an on-site restaurant, bar/lounge area, hot spring bath, free Wi-Fi, and a full-service spa.
Does Riverside Hot Springs Inn & Spa - Adults Only have facilities for outdoor activities?
Guests can enjoy hiking, skiing, and cycling in and around Lava Hot Springs.
Are there dining options available at Riverside Hot Springs Inn & Spa - Adults Only?
The hotel has two on-site dining options, including Portneuf Grille & Lounge, which serves American cuisine with vegetarian, dairy-free, and vegan options available.
Is parking available at Riverside Hot Springs Inn & Spa - Adults Only?
Yes, free private parking is available on-site without the need for a reservation.
What room amenities can guests expect at Riverside Hot Springs Inn & Spa - Adults Only?
Rooms are equipped with air conditioning, flat-screen TVs with satellite channels, and private bathrooms.
How far is Riverside Hot Springs Inn & Spa - Adults Only from Pocatello Regional Airport?
The hotel is located 74 km from Pocatello Regional Airport.
Which activities can guests participate in at Riverside Hot Springs Inn & Spa - Adults Only?
On-site activities include evening entertainment, live music, and happy hour promotions.
What is the pet policy at Riverside Hot Springs Inn & Spa - Adults Only?
Pets are allowed at the hotel, with possible charges applicable.

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Check-in
31Dec2025Select date
Check-out
01Jan2026Select date
Rooms and Guests2 Guests, 1 Room

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Riverside Hot Springs Inn & Spa - Adults Only Lava Hot Springs Exterior photo

Riverside Hot Springs Inn & Spa - Adults Only

8.2
Great225 reviews
200 m from center
80 US$
89 US$
per night
Mobile-only price