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The Alloy King of Prussia - a DoubleTree by Hilton

3.5 star property

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Photo gallery for The Alloy King of Prussia - a DoubleTree by Hilton

A multi-story hotel with a prominent 'Alloy' sign, a covered entrance, and a landscaped area with flowers.
A bar area with a marble wall, wooden bar counter, and multiple hanging light fixtures.
A reception area with a wooden reception desk, marble walls, and a geometric patterned floor.
A modern living room with a round wooden coffee table, two leather armchairs, a fireplace, and a large abstract blue artwork on the wall.
A modern dining area with a central round table, wooden chairs, and hanging pendant lights.

Reviews

8.8 out of 10
Excellent

Popular amenities

  • Pet-friendly
  • Parking included
  • Free Wi-Fi
  • Air-conditioning

Explore the area

View in a map
301 W Dekalb Pike, King of Prussia, PA, 19406
  • Place, King of Prussia Mall
    ‪17 min walk‬
  • Place, Villanova University
    ‪10 min drive‬
  • Place, The Greater Philadelphia Expo Center at Oaks
    ‪12 min drive‬
  • Airport, Philadelphia, PA (PHL-Philadelphia Intl.)
    ‪48 min drive‬

Room options

View all photos for 1 King Bed 2 Room Suite-sofabed-nonsmoking

A hotel room with a large bed, a TV, a desk, a chair, a wardrobe, and a window with curtains.

1 King Bed 2 Room Suite-sofabed-nonsmoking

  • Sleeps 1
  • Free Wi-Fi

View all photos for 1 King Bed 2 Room Corner Suite-Nonsmoking

A hotel room with a bed, desk, chair, TV, and a window with curtains.

1 King Bed 2 Room Corner Suite-Nonsmoking

  • Sleeps 4
  • Free Wi-Fi

View all photos for Suite, 1 King Bed with Sofa bed

A hotel room with a large bed, a TV, a desk, a chair, and a wardrobe.

Suite, 1 King Bed with Sofa bed

  • Sleeps 4
  • Free Wi-Fi

View all photos for Room, 2 Queen Beds

A hotel room with two beds, a desk, a chair, and a TV.

Room, 2 Queen Beds

9.0 out of 10
Wonderful
(73 reviews)
  • 30 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

View all photos for Suite, 1 King Bed with Sofa bed

A modern living room with a brown sofa, a beige armchair, and a wooden coffee table. There is a flat-screen TV mounted on the wall, a floor lamp, and two framed artworks on the wall.

Suite, 1 King Bed with Sofa bed

10.0 out of 10
Exceptional
(1 review)
  • 37 sq m
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free Wi-Fi

View all photos for Room, 1 King Bed

A hotel room with a large bed, a desk with a chair, a TV, and a window with curtains.

Room, 1 King Bed

9.0 out of 10
Wonderful
(61 reviews)
  • 30 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Junior Room, 1 King Bed with Sofa bed

A modern hotel room with a brown sofa, a wooden coffee table, and a flat-screen TV.

Junior Room, 1 King Bed with Sofa bed

8.6 out of 10
Excellent
(20 reviews)
  • 60 sq m
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free Wi-Fi

View all photos for Junior Single Room, 1 King Bed with Sofa bed, Corner

A modern living room with a brown sofa, a beige armchair, and a wooden coffee table. There are framed artworks on the wall and a flat-screen TV mounted on the wall.

Junior Single Room, 1 King Bed with Sofa bed, Corner

9.0 out of 10
Wonderful
(6 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free Wi-Fi

View all photos for Room, 1 King Bed, Accessible (Roll-In Shower)

A hotel room with a large bed, a desk with a chair, a television, and a window with curtains.

Room, 1 King Bed, Accessible (Roll-In Shower)

8.8 out of 10
Excellent
(11 reviews)
  • 30 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Room, 1 King Bed, Accessible, Bathtub

A hotel room with a large bed, a desk with a chair, a television, and a window with curtains.

Room, 1 King Bed, Accessible, Bathtub

8.0 out of 10
Very good
(4 reviews)
  • 30 sq m
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Suite, 1 King Bed, Non Smoking

A modern hotel room with a living area, dining space, and large windows with curtains.

Suite, 1 King Bed, Non Smoking

  • 74 sq m
  • Sleeps 4
  • 1 King Bed
  • Free Wi-Fi

View all photos for Room, 2 Queen Beds, Accessible, Bathtub

A hotel room with two beds, a desk, a chair, and a TV.

Room, 2 Queen Beds, Accessible, Bathtub

  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

Similar properties

Exterior
Crowne Plaza: Philadelphia - King of Prussia by IHG
King of Prussia
  • Pet-friendly
  • Parking included
  • Free Wi-Fi
  • Restaurant
4.3 out of 5, Excellent, 1,003 reviews
The price is CHF 101
includes taxes & fees
23 Jul - 24 Jul
Crowne Plaza: Philadelphia - King of Prussia by IHG

About this property

The Alloy King of Prussia - a DoubleTree by Hilton

A restaurant, a fitness centre and a bar/lounge are available at this smoke-free hotel. Free WiFi in public areas and free self parking are also provided. Other amenities include a conference centre, conference space and dry cleaning. Housekeeping is available on request.
The Alloy King of Prussia - a DoubleTree by Hilton offers 327 air-conditioned accommodations with laptop-compatible safes and coffee/tea makers. This accommodation offers separate sitting areas. Beds feature down duvets. Flat-screen televisions come with premium cable channels. Bathrooms include baths or showers, complimentary toiletries and hairdryers.

Guests can surf the web using complimentary wired and wireless Internet access. Business-friendly amenities include desks, desk chairs and telephones. Additionally, rooms include an iron/ironing board and blackout curtains. Change of towels and change of bedsheets can be requested. Housekeeping is provided on request.

Recreational amenities at the hotel include a fitness centre.

Children aged under 16 years old are not allowed in the swimming pool or fitness facility without adult supervision.

Our customers tell us that they can't get enough of the helpful staff at The Alloy King of Prussia - a DoubleTree by Hilton. During your stay, you'll be within walking distance of King of Prussia Mall. Features include free WiFi in public areas and free self-parking, plus a restaurant. This property offers pet-friendly amenities, such as food and water bowls.
  • Free WiFi and wired Internet
  • Free self-parking
  • Grab something to eat at the restaurant or stop for a drink at the bar/lounge
  • Cooked-to-order breakfast served daily for a fee
  • Services include dry cleaning/laundry, luggage storage and wedding services
  • On-site recreation includes a gym
  • Guests have great things to say about the clean guestrooms and the helpful staff
  • Just a 1-minute drive from King of Prussia Mall and 6 minutes from Valley Forge Casino
  • Dogs welcome for a fee (restrictions apply)
  • Pet-friendly amenities are available, including food and water bowls
There's a restaurant on site. You can enjoy a drink at the bar/lounge. Public spaces have free WiFi and wired Internet. Event space at this hotel measures 9000 square feet (836 square metres) and includes a conference centre. A fitness centre, a terrace, and dry cleaning/laundry services are also featured at the business-friendly The Alloy King of Prussia - a DoubleTree by Hilton. Free self parking is available.

This 3.5-star King of Prussia hotel is smoke free.

For a fee, guests can enjoy cooked-to-order breakfast on weekdays from 6:00 AM to 10:00 AM and at the weekend from 7:00 AM to 11:00 AM.
Hammer and Fire – This restaurant serves breakfast, lunch and dinner. A children's menu is available.
Room service (during limited hours) is available.

Property amenities

Internet

  • Available in all rooms: Free WiFi and wired internet
  • Available in some public areas: Free WiFi and wired internet

Parking and transport

  • Free self parking on site
  • Limited on-site self parking
  • Wheelchair-accessible parking and van parking available

Food and drink

  • Cooked-to-order breakfast available for a fee 6:00 AM to 10:00 AM on weekdays and 7:00 AM to 11:00 AM on weekends; USD 12 to 21 per person
  • A bar/lounge
  • A restaurant

Restaurants on site

  • Hammer and Fire

Things to do

  • Gym

Family friendly

  • In-room refrigerator

Conveniences

  • 24-hour front desk
  • ATM
  • Luggage storage
  • Safe at front desk

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Dry cleaning/laundry service
  • Housekeeping on request
  • Wedding services

Business services

  • 28 meeting rooms
  • Conference centre (9,000 square foot of space)

Outdoors

  • Outdoor furniture
  • Terrace

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Braille/raised signage
  • Lift
  • Phone accessibility kit
  • Stair-free path to entrance
  • Thin carpet in room
  • Well-lit path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible concierge desk
  • Wheelchair-accessible gym
  • Wheelchair-accessible parking
  • Wheelchair-accessible path to lift
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible restaurant
  • Wheelchair-accessible van parking

More

  • 9 floors
  • At least 80% organic food
  • Ballroom
  • Banquet hall
  • Built in 1972
  • Comprehensive food waste policy
  • Double-glazed windows
  • Local culture and ecosystem education
  • Locally sourced food prioritised
  • No plastic coffee stirrers
  • No plastic drinking straws
  • No plastic soft drink bottles
  • Non-plastic coffee stirrers available
  • Non-plastic drinking straws available
  • Smoking not allowed
  • Some LED lighting used
  • Vegan dining options
  • Vegetarian breakfast available
  • Vegetarian dining options

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes
  • Down comforter

Bathroom

  • Bathtub or shower
  • Free toiletries
  • Hair dryer
  • Private bathroom
  • Shampoo
  • Soap
  • Toilet paper
  • Toothbrush and toothpaste (on request)
  • Towels provided

Entertainment

  • Flat-screen TV with premium cable channels

Food and drink

  • Coffee/tea maker
  • Limited room service
  • Refrigerator

More

  • Air conditioning
  • Cleaning products are eco-friendly
  • Connecting rooms available
  • Desk
  • Desk chair
  • Eco-friendly toiletries
  • Heating
  • Iron/ironing board
  • Laptop workspace
  • Laptop-compatible safe
  • LED lighting
  • Mobile key entry
  • Phone
  • Recycling
  • Separate sitting area
  • Water-efficient showers

Policies

Check-in

Check-in start time: 3:00 PM; check-in end time: anytime
Early check-in subject to availability
Early check-in is available for a fee
Contactless check-in and check-out are available
Express check-in available
Minimum check-in age - 21

Check-out

Check-out before noon
Contactless check-out
Late check-out subject to availability
A late check-out fee will be charged
Express check-out available

Special check-in instructions

Front desk staff will greet guests on arrival at the property
Guests are required to download the property's Hilton Honors App mobile app before check-in
Information provided by the property may be translated using automated translation tools

Renovations and closures

The following facilities are closed seasonally each year. They will be closed from 30 November to 31 May:
  • Swimming pool

Access methods

Staffed front desk

Pets

  • Pets: USD 75.00 per accommodation, per stay
  • Only dogs are allowed
  • Maximum 2 (weight limit: 75 lb per pet)
  • Pets cannot be left unattended
  • Food and water bowls are available
  • Restrictions apply
  • For more information, you can reach out to the property at the number on the booking confirmation
    • Service animals are exempt from fees.

Children and extra beds

  • Children are welcome.
  • Kids stay free! Children 18 years old and younger stay free when using existing bedding.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types at the property

Important information

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Fee for cooked-to-order breakfast: approximately USD 12 to 21 per person
  • Pet fee: USD 75.00 per accommodation, per stay
  • Service animals are exempt from fees
  • Early check-in is available for a fee (subject to availability)
  • Late check-out is available for a fee (subject to availability)

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards and debit cards; cash is not accepted
Cashless transactions are available
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, a security system and a first aid kit
This property affirms that it follows the cleaning and disinfection practices of CleanStay (Hilton)
Front desk staff will greet guests on arrival at the property. Guests are required to download the property's Hilton Honors App mobile app before check-in.

We should mention

  • Children aged 18 years old and younger stay free in the same room as the parent or guardian when using existing bedding.
  • Connecting/adjoining rooms are subject to availability and can be requested by contacting the property at the number on your booking confirmation.
  • To make arrangements to bring your pet, contact the property directly at the number on your booking confirmation (please see the Fees section for related charges).
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Property is also known as

DoubleTree Hilton Hotel Philadelphia Valley Forge
DoubleTree Hilton Philadelphia Valley Forge
DoubleTree Hilton Philadelphia Valley Forge King of Prussia
DoubleTree Valley Forge
Dolce Valley Forge Hotel And Conference Center
Dolce Valley Forge Hotel King Of Prussia
Hotel Dolce Valley Forge
DoubleTree by Hilton Hotel Philadelphia Valley Forge
The Alloy King of Prussia - a DoubleTree by Hilton Hotel

The Alloy King of Prussia - a DoubleTree by Hilton Reviews

Reviews

8.8

Excellent

Rating 10 - Excellent. 648 out of 1002 reviews
Rating 8 - Good. 173 out of 1002 reviews
Rating 6 - Okay. 91 out of 1002 reviews
Rating 4 - Poor. 43 out of 1002 reviews
Rating 2 - Terrible. 47 out of 1002 reviews

9.0/10

Cleanliness

9.0/10

Staff & service

8.8/10

Amenities

8.8/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Robert

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room, conveniently located, and friendly staff.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Joyce

Liked: Cleanliness, property conditions & facilities
wonderful stay and room!
Stayed 1 night in Jan 2026
Verified

10/10 Excellent

Lisa K

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Our room was perfect-clean, comfy & quiet. Ate at restaurant/bar both nights of our stay. Friendly staff everywhere we went within hotel
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Audrey

Liked: Cleanliness, staff & service, property conditions & facilities
The room was comfortable and clean. The property was maintained very well. The staff were great.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Brandi

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent customer service. Everyone was so friendly and helpful. The place is beautiful and so clean!! Would love to stay here again!
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Cynthia

Liked: Cleanliness, property conditions & facilities
Staff was friendly & helpful!
Stayed 1 night in Jan 2026
Verified

10/10 Excellent

Devon

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room, quiet, loved the streaming networks!
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Joseph

Liked: Cleanliness, staff & service, property conditions & facilities
I love my first time at the alloy
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Melissa

Liked: Cleanliness, staff & service, amenities
Room was amazing and very clean
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Darlene

Liked: Cleanliness, amenities, property conditions & facilities
Everything was amazing
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Edgar Paul

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Always a good experience
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Joseph

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

nicole

Liked: Cleanliness, staff & service, property conditions & facilities
Very friendly
Stayed 3 nights in Mar 2026
Verified

8/10 Good

Melanie

Liked: Cleanliness, staff & service, property conditions & facilities
Very nice stay!
Stayed 1 night in Oct 2025
Verified

10/10 Excellent

nicole

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
A beautiful hotel with a comfortable room
Stayed 1 night in Jan 2026
Verified

10/10 Excellent

Wilfred

Liked: Cleanliness, amenities, property conditions & facilities
Everything was great
Stayed 1 night in Feb 2026
Verified

8/10 Good

Natosha

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Nice and clean
Stayed 1 night in Jan 2026
Verified

10/10 Excellent

Briana

Liked: Cleanliness, amenities, property conditions & facilities
Staff was amazing , especially the ladies at the front desk
Stayed 2 nights in Dec 2025
Verified

10/10 Excellent

Katelyn

Liked: Cleanliness, amenities, property conditions & facilities
Staff was very friendly
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Joshuna

Liked: Cleanliness, amenities, property conditions & facilities
pretty cozy and spacious room. Customer Service was 10/10.... will be booking again.
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Andre

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The room was very clean and staff were super nice.
Stayed 1 night in Nov 2025
Verified

10/10 Excellent

Jamil

Liked: Cleanliness, staff & service, amenities
Amazing Hotel. Very Organized.
Stayed 2 nights in Dec 2025
Verified

10/10 Excellent

Jeffrey

Liked: Cleanliness, amenities, property conditions & facilities
Yes room was very clean and comfortable
Stayed 1 night in Jan 2026
Verified

8/10 Good

Donna

Liked: Cleanliness, amenities, property conditions & facilities
Staff courteous at the front desk
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Shannon

Liked: Cleanliness, amenities, property conditions & facilities
Beautiful hotel. Close to everything. Great staff and amenities.
Stayed 3 nights in Nov 2025