2024 Polaris Prostar S4 Adventure Snowmobile

Stocking only the newest Polaris machines, we present the brand new PROSTAR S4 Indy Adventure, Polaris’s only 4-stroke snowmobile on the market. We pride ourselves in doing New Hampshire snowmobile rentals better than anyone else in the business! Located in the heart of the Great North Woods, Bear Rock Adventures has the best machines for snowmobile tours. NH is yours to explore!

2024 Polaris Prostar S4 Adventure Snowmobile

Quick Details

Ages: Age 21+  |  Capacity: Up to 2 people

Get ready for Snowmobile Tours-NH style!

You no longer need to be an expert hiker or physically elite to reach the most beautiful peaks and vistas in NH. The 2024 Prostar S4 Indy Adventure Snowmobile is Polaris’s first and only 4-stroke snowmobile which provides the ultimate riding experience.


 Hourly Rates:


*Start times begin as early as 8:30am & return times may not surpass 5:00pm

PROSTAR S4 Indy Adventure (4-Stroke) (1-Seater)

2 Hours


4 Hours (Half Day)


6 Hours


8 Hours (Full Day)

$280.00 | Upgrade to 24 hrs for $185



*Start times begin as early as 8:30am & return times may not surpass 5:00pm

PROSTAR S4 Indy Adventure (4-Stroke) (2-Seater)

2 Hours 


4 Hours (Half Day)


6 Hours 


8 Hours (Full Day)

$300.00 | Upgrade to 24 hrs for $185

Multi Day Rate:

Day & Night Model

*Pick up Day: 8:30am or 9:00am pick up

*Return Day: 4:30pm return

PROSTAR S4 Indy Adventure (4-Stroke) (1-Seater or 2-Seater)

2 Days, 1 Night ( 32 hrs)

$650.00 (1-seater) | $690.00 (2-Seater)

3 Days, 2 Nights (56 hrs)

$890.00 (1-Seater) | $930.00 (2-Seater)

4 Days, 3 Nights (80 hrs)

$1,130.00 (1-Seater) | $1,210.00 (2-Seater)

5 Days, 4 Nights (104 hrs)

$1,370.00 (1-Seater) | $1,470.00 (2-Seater)

6 Days, 5 Nights (128 hrs)

$1,610.00 (1-Seater) | $1,730.00 (2-Seater)

7 Days, 6 Nights (152 hrs)

$1,850.00 (1-Seater) | $1,990.00 (2-Seater)

8 Days, 7 Nights (176 hrs)

$2,090.00 (1-Seater) |$2,250.00 (2-Seater)

9 Days, 8 Nights (200 hrs)

$2,330.00 (1-Seater) | $2,510.00 (2-Seater)

10 Days, 9 Nights (224 hrs)

$2,570.00 (1-Seater) | $2,770.00 (2-Seater)


24-48-72 Hour Model

*Pick up anytime between 8:30am – 4:30pm and return date will be returned at same time

PROSTAR S4 Indy Adventure (4-Stroke) (1-Seater or 2-Seater)

24 Hours

$465.00 (1-Seater) | $485.00 (2-Seater)

48 Hours

$705.00 (1-Seater) | $745.00 (2-Seater)

72 Hours 

$945.00 (1-Seater) | $1,005.00 (2-Seater)


Rental Policies
  • You must be 21 years of age or older with a valid driver’s license to rent an OHRV. The license must be presented the day of your rental. (NO EXCEPTIONS) If you are unable to present your driver’s license the day of your rental you will not be permitted to operate the vehicle and your rental fee will be forfeited.
  • Drivers between the ages of 18 and 20 who can present a valid driver’s license and are accompanied by a parent or guardian over the age of 25 years of age , during the entire rental period will be allowed to operate a rental vehicle with signed release of liability by the parent or guardian present.
  • No driver under the age of 25 is allowed to carry a passenger under the age of 18 years of age
  • Passengers must meet the physical requirements of being able to grasp the hand holds and firmly plant their feet on the floorboards with their back fully against the back seat rest. The minimum age to ride is 7 years old.
  •  if you wish to cancel your reservation.
  • Machines must be returned with a full tank of gas or an additional refueling fee will apply.
Cancellation Policy


ALL reservation cancellations must be made 72 hours in advance of the booking date to receive a refund minus a 20% processing fee or may opt for a full credit to be used at Bear Rock Adventures for rentals, retail, campsites & lodging within the same calendar year. Any reservation created online will be subject to third-party online booking fees & taxes that are non-refundable. If a reservation is canceled within 72 hours prior to reservation start time, full payment will be completely forfeited. No exceptions.

Change Policy:

Changes to reservations must be made prior to the 72 hour cancellation period. We encourage our guests to maintain their reservations, but understand  this is not always possible. We offer a one time courtesy change. After this onetime change a $50 service fee will be charged for each change. Reservation arrival or departure dates may not be changed inside the cancellation window.

No Show Policy:

Reservations for any lodging accommodations will be held until check-out time on the day following your scheduled arrival.

Reservations for all rental units (ATV & Snowmobile) between 2 and 8 hours will be held for the length of the reservation. Multi-day rental reservations will be held for a maximum of 24 hours.

 No shows will result in a canceled reservation and full payment will be completely forfeited

*The fun continues rain or shine. Credits or Refunds are not given due to discomfort of nature.

Tour Guide Rates
  • If you are interested in booking a tour guide, all bookings must be CALL ONLY
  • All Tour Guides will have to be scheduled at least 7 days ahead of rental time due to scheduling of the Guide.
  • Tour Guide rates are an additional cost added on to the booking total
  • Tour guides rate will be paid in full at time of booking


Tour Guide Rates
2 Hours $150.00
4 Hours $225.00
6 Hours $300.00
8 Hours $350.00
Prices are for up to 4 machines for each additional Sled there is a $50.00 charge
Oil and Gas Requirements
  • Machines will have a full tank of gas prior to departure & must be returned with a full tank of gas or an additional refueling fee will apply.
  • Multi-Day Rentals that exceed 200 miles will need to fill with VES oil which can be purchased in our retail shop or the renter can stop at the Bear Rock Adventures main shop during our business hours to have a Bear Rock employee refill the machine for a $10 charge
Rental Gear
  • Helmets are included with your rental and will include 1x heated visor cord per helmet. All replacement heated visor cords will be charged full retail price. ($17.95 per replacement)
  • All rental gear will be rented & fitted IN-House ONLY.  No pre-ordering.
  • Snowmobile Gear rentals are first come, first serve.
  • Our rental gear includes: Jackets, Bibs, Gloves & Boots, all top of the line Katahdin and Baffin brands!
  • Sizes range from Small to 5XL for both Men & Women. We also offer Youth sizes!


Rental Gear Rates
Katahdin Jacket $20.00 per day
Katahdin Bibs/Pants $15.00 per day
Katahdin/Baffin Boots $15.00 per day
Katahdin Gloves $10.00 per day
Full Outfit (Jacket, Bibs, Boots, Gloves)

$45.00 per day


 Helmets (Non machine rental)

$30.00 per day
  • Rental rates include a full tank of gas, helmet, trail map, GPS locator & ResQLink personal locator beacon.
Damage Waiver
  • A damage waiver with a $1,000 maximum out of pocket expense is included in the rental rate. You may upgrade your damage waiver for $20 per day, per machine to a $500 maximum out of pocket expense. *The card will only be charged if damages occur during rental period.
  • To secure a reservation, a $100 deposit per machine, per day is required. The deposit will be applied to the total rental price.
  • If booked online, reservation will be paid in full.