The Historic Riverside Hot Springs Inn

Comfy, Cozy & Quaint

Onsite Hot Mineral Springs & Massage Therapy

Holiday dogs at the Riverside Inn

Filet Mignon at the Portneuf Grille & Lounge

Skiing at nearby Pebble Creek Ski Area - Get 2 for 1 passes when you stay at the Riverside Inn

A Culinary Experience at the Portneuf Grille & Lounge. Reservations Required

Quiet & Cozy Portneuf Lounge

Lobby for coffee, cocktails, desserts and socializing with friends.

Selection of Pacific Northwest Wines

Lava Hot Springs Wedding at the Riverside Inn

Book online and check availability at the Riverside Hot Springs Inn!

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Live dinner music every Thursday night from 6-9pm. View Entertainment
Cioppino Fridays! Great fish & seafood Mediterranean style stew - Friday nights only while it lasts!
Take advantage of our Package Soak & Spa Deals! View Special Offers
Midweek couples 1 hr massage. $100 per couple for hotel guests only added on to your room! 36 hr notice
Meeting & Event Space for up to 25 people. Discover our affordable Complete Meeting Packages
Join us for Happy Hour Nightly with $2 Tacos & Drink Specials - Tuesdays 5-6:30pm!
Complimentary Continental Breakfast every morning!
Winter White Sale on Lodging Sun thru Thurs reduced rates + $10 voucher in Portneuf Grille & Lounge Jan 2-Feb 2
Midweek 1 hr singles massage. $65 for hotel guests only added on to your room! 36 hr notice
Stay at the Riverside Hot Springs Inn & Get 2 for 1 Day Passes at Pebble Creek Ski Area!
Find out why we're called The Honeymoon Hotel with our Romance Packages. View Romance Packages

Portneuf Grille & Lounge Reservations

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Welcome To The Historic Riverside Inn


      Riverside Hot Springs Inn & Spa Hotel| Portneuf Grille & Lounge
Lava Hot Springs, Idaho

Historic Boutique Hotel for Adults 16 Years & Older

Winter White Sale Going On Now For Select Guest Rooms Sunday through Thursday, through Feb 2!
Guest Room, Free Continental  breakfast, Free onsite hot springs soaking, Wifi & $10 Dining/Lounge Credit.
Package Price Starting at $63.20 + tax and up (depending on room selection). 
Call Direct to Get these Savings! 1-208-776-5504
Located in downtown Lava Hot springs, Idaho, the historic Inn, the Riverside Hot Springs Inn & Spa is located next to the Portneuf River. The Riverside Hot Springs Inn lodging & spa destination also offers a dining & lounge experience!  We are the only full service Lava Hot Springs hotel in town, featuring 18 guest rooms, world famous onsite hot springs, massage, & award winning onsite restaurant & lounge, the Portneuf Grille & Lounge.  Lots of things to do!  We've got it all under one roof-you don't even have to leave the building.  Perfect for the business traveler or those seeking a relaxing, rejuvenating experience.
All overnight stays include complimentary wifi, on-site lighted parking, private on-site hot minerals springs soaking and mid-week Continental Breakfast or weekend breakfast vouchers in our restaurant (based on single or double occupancy), Staffed 24/7.
Listed on the National Register of Historic Places with the National Park Service, the Riverside Hot Springs Inn is the only full service hotel in town.  The Riverside Hot Springs Inn was built in 1914 and quickly acquired the label of “The Honeymoon Hotel” for its yesteryear elegance. The historical Inn was known to be visited by several famous people including President Theodore Roosevelt.

Our entire facility is non-smoking.  Both the hot water and the building is heated with hot geothermal water.  Eco friendly bath guest amenities.


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  • Check in: 3pm

  • Check out: 11am

  • Check In Age: Minimum 18 years old.

  • Child Policy: Adult Hotel Catering to the Mature Clientele - 16 years and older only with parents, please.

  • Pet Policy: Maximum 2 dogs. There is a $15 per night, per pet fee accessed. Dogs may not be left in guest rooms unattended at any time.

  • Smoking Policy: The Riverside Inn is a non-smoking facility. Smoking will result in a $200 charge.

Holiday Gift Certificate
Upcoming Hot Springs Area Events

Riverside Hot Springs Inn
255 East Portneuf Street • Lava Hot Springs, Idaho 83246
Phone: (208) 776-5504 • Fax: (208) 776-5504
Toll Free: (800) 733-5504

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Sunday January 22, 2017