Age and kids policy at Mammoth Mountain Inn

Mammoth Mountain Inn is an all-ages, family-friendly slopeside hotel — children of any age are welcome. The main guest checking in must be at least 18 years old; children aged 6 and older are charged at the adult rate.
In this guide
Who the age policy covers
Mammoth Mountain Inn is not an adults-only property. Booking platforms and the hotel's materials identify it as family-oriented and say children of all ages are welcome.
There are no separate adults-only towers or sections documented in the available sources; the property’s public information and booking pages describe family amenities and services rather than age-restricted areas.
- Children of all ages are permitted on the property.
- The property markets family-oriented amenities such as a kids' game room and on-site childcare.
- No minimum age for staying as a guest is stated for children.
Check-in, ID and minimum check-in age
Check-in begins at 4:00 PM and check-out is before 11:00 AM. Guests must present a photo ID and credit card at check-in.
The primary guest who checks in must be at least 18 years old. That person’s card and ID are required at arrival.
- Check-in: 4:00 PM
- Check-out: before 11:00 AM
- Photo ID and credit card required
- Minimum age to check in: 18

Children, rates and sleeping arrangements
Children are welcome in rooms and suites. The property notes that children aged 6 and older are charged at the adult rate — younger children’s charging practices are handled per booking or at the property.
Room types vary from single-bed hotel rooms to multi-bedroom condominiums; many room types can accommodate families depending on bed configuration.
- Children 6 years and older: charged as adults (per available sources).
- Ask at booking about extra beds, rollaways, or Murphy-bed arrangements for small children.
- Some condos include separate sleeping areas (Murphy beds, lofts) that work well for families.
| Room type | Beds (as listed) | Best for |
|---|---|---|
| Room (Hotel Room with Two Queens Sleeps 4) | 2 Queen Beds | Small families |
| Room (Hotel Loft Room Sleeps 4) | 1 King Bed and 1 Twin Bed | Families who want a loft layout |
| Condo (Studio Condominium) | 1 Queen Bed and 1 Twin Murphy Bed | Couples + 1 child or small family |
| Condo, 1 Bedroom (One Bedroom Condominium) | 1 King Bed and 1 Twin Murphy Bed | Parents needing a separate bedroom |
| Condo, 2 Bedrooms (Two Bedroom Condominium) | 1 King Bed and 1 Queen Bed | Families wanting separate bedrooms |
| Condo, 2 Bedrooms (Two Bedroom with Loft Condominium) | 1 King Bed and 2 Queen Beds | Larger families or multi-generation groups |

Kids' amenities and childcare
Mammoth Mountain Inn lists family-focused amenities including a kids' game room with modern consoles and an on-site childcare service (Small World Child Care). These options let parents book lessons or activities while children are supervised nearby.
The property also offers on-site recreational features that families commonly use, such as the heated outdoor pool and hot tubs; staffing and childcare service hours are handled separately and should be confirmed with the property.
- Kids' game room with PlayStation 4 and Xbox One.
- On-site Small World Child Care service available (book or inquire for hours and fees).
- Pool and hot tub access for guests — verify any age-specific rules at check-in.

Pool, hot tubs and safety for children
The inn has a heated outdoor pool plus four spa tubs (one outdoor and three indoor). The pool and hot tubs are listed as open daily with publicly listed hours.
Exact age restrictions or lifeguard coverage are not documented in the sources I reviewed; ask the front desk on arrival about any child-supervision requirements, flotation device rules, or lifeguard presence.
- Pool & hot tub hours cited: 8:00 AM–10:00 PM (per available property materials).
- Heated outdoor pool located on the second floor of the West Wing.
- Confirm local rules and supervision expectations at check-in.
Pets, extras and family practicalities
Mammoth Mountain Inn is pet-friendly for dogs: up to two dogs per room are allowed with a per-night pet fee and a refundable pet damage deposit. Dogs are not allowed in restaurants, bars, the pool, or hot tub areas.
Other family considerations: breakfast is not included in standard room rates (available for an additional fee), parking is complimentary with one permit per reservation (extended/long-term parking may carry a surcharge), and guests should expect to present a credit card and ID at check-in.
- Pet policy: up to two dogs per room; fee and refundable deposit required (confirm current amounts with the hotel).
- Breakfast: not included in room rates — available for an extra charge.
- Parking: complimentary self-parking with one permit per reservation; extended parking may cost extra.


