The Alloy King of Prussia - a DoubleTree by Hilton

301 West Dekalb Pike, King Of Prussia, PA 19406 United States (USA) near Exit 328 on I-76 (~1.4mi)
View Map Reservations: 1-800-219-2797
3.5 Star Property
40.091470-75.369440
+1-800-219-2797
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Very Good
4.0/5

Based on 1196 guest reviews

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  • We have an outdoor pool ready for use
  • Fitness / Gym is on-site
  • 327 rooms in property
  • Hotel has 9 floors
  • Hotel has 60 suites
  • Check-in: 3:00pm
  • Hotel has an eco-friendly policy
  • Group booking rating of 10.0/10
  • 27 conference rooms in property

Check Current Prices






Standard prices by room type for the next 60 days

Rates shown are nightly rates before taxes and do not necessarily reflect all discounts available. The chart provides the cheapest public rates available by room type.

Room Types

Check Rates1 King Bed
Non-Smoking
Check Rates1 King Bed Junior Suite
Non-Smoking
Check Rates1 King Bed Junior Suite Co
Non-Smoking
Check Rates1 King Bed Junior Suite Complimentary High Speed Sweet Dreams Experience Bed Sitting Area 55 Inch Fl
Non-Smoking
Check Rates2 Queen Beds
Non-Smoking
Check Rates2 Queen Beds Accessible
Non-Smoking
Check Rates2 Queen Beds Accessible Bathtub
Non-Smoking
Check Rates2 Queen Beds Accessible Tub Complimentary High Speed Internet 55 Inch Flat Screen TV
Non-Smoking
Check Rates2 Queen Beds Bathtub Accessible
Non-Smoking
Check Rates2 Queen Beds Complimentary High Speed
Non-Smoking
Check Rates2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed
Non-Smoking
Check Rates2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed 55 Inch Flat Screen TV
Non-Smoking
Check Rates2 Queen Beds Mobility Accessible Bathtub
Non-Smoking
Check Rates2 Queen Beds Mobility Accessible Tub
Non-Smoking
Check Rates2x Points Package 1 King Bed Junior Suite Complimentary High Speed Sweet Dreams Experience Bed Sitti
Non-Smoking
Check Rates2x Points Package 2 Queen Beds Accessible Tub Complimentary High Speed Internet 55 Inch Flat Screen
Non-Smoking
Check Rates2x Points Package 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed 55 Inch Flat Scr
Non-Smoking
Check RatesAccessible
Non-Smoking
Check RatesAccessible Room
Non-Smoking
Check RatesAccessible Room with 2 Queen Beds and Bathtub
Non-Smoking
Check RatesBreakfast Included 1 King Bed Junior Suite Complimentary High Speed Sweet Dreams Experience Bed Sitt
Non-Smoking
Check RatesBreakfast Included 2 Queen Beds Accessible Tub Complimentary High Speed Internet 55 Inch Flat Screen
Non-Smoking
Check RatesBreakfast Included 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed 55 Inch Flat Sc
Non-Smoking
Check RatesBreakfast Included 2 Queen Beds Non-Smoking Complimentary High Speed Sweet Dreams Experience Bed
Non-Smoking
Check RatesDouble Room Accessible Breakfast
Non-Smoking
Check RatesDouble Room Accessible No Meals
Non-Smoking
Check RatesDouble Room No Meals
Non-Smoking
Check RatesGlobal Stays Cons Breakfast Included 1 King Bed Junior Suite Complimentary High Speed Sweet Dreams E
Non-Smoking
Check RatesGlobal Stays Cons Breakfast Included 2 Queen Beds Accessible Tub Complimentary High Speed Internet 5
Non-Smoking
Check RatesGlobal Stays Cons Breakfast Included 2 Queen Beds Complimentary High Speed Sweet Dreams Experience B
Non-Smoking
Check RatesGlobal Stays Preferred 1 King Bed Junior Suite Complimentary High Speed Sweet Dreams Experience Bed
Non-Smoking
Check RatesGlobal Stays Preferred 2 Queen Beds Accessible Tub Complimentary High Speed Internet 55 Inch Flat Sc
Non-Smoking
Check RatesGlobal Stays Preferred 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed 55 Inch Fla
Non-Smoking
Check RatesGlobal Stays Restricted Cxl 1 King Bed Junior Suite Complimentary High Speed Sweet Dreams Experience
Non-Smoking
Check RatesGlobal Stays Restricted Cxl 2 Queen Beds Accessible Tub Complimentary High Speed Internet 55 Inch Fl
Non-Smoking
Check RatesGlobal Stays Restricted Cxl 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed 55 Inc
Non-Smoking
Check RatesHilton Honors Discount Honors Discount 2 Queen Beds Complimentary High Speed Sweet Dreams Experience
Non-Smoking
Check RatesHilton Honors Discount Honors Restricted Cxl 2 Queen Beds Complimentary High Speed Sweet Dreams Expe
Non-Smoking
Check RatesJunior 1 King Bed Suite
Non-Smoking
Check RatesJunior Double Bed Sofa Large
Non-Smoking
Check RatesJunior King Bed Sofa
Non-Smoking
Check RatesJunior King Bed with Extra Bed
Non-Smoking
Check RatesJunior King Suite
Non-Smoking
Check RatesJunior Room 1 King Bed with Sofa Bed
Non-Smoking
Check RatesJunior Room 1 King Bed with Sofa Bed 1 King Bed and 1 Double Sofa Bed
Non-Smoking
Check RatesJunior Room with 1 King Bed and Sofa Bed
Non-Smoking
Check RatesJunior Suite + Breakfast
Non-Smoking
Check RatesJunior Suite King Bed
Non-Smoking
Check RatesJunior Suite No Meals
Non-Smoking
Check RatesJunior Suite with King Bed
Non-Smoking
Check RatesQuadruple Queen Bed Accessible
Non-Smoking
Check RatesQueen Queen Accessible
Non-Smoking
Check RatesQueen Queen Accessible Breakfast
Non-Smoking
Check RatesQueen Queen Bathtub No Meals
Non-Smoking
Check RatesQueen Queen Breakfast
Non-Smoking
Check RatesQueen Queen Hearing Accessible Tub
Non-Smoking
Check RatesQueen Queen Hearing Accessible Tub No Meals
Non-Smoking
Check RatesQueen Queen No Meals
Non-Smoking
Check RatesRestricted Cxl 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed
Non-Smoking
Check RatesStandard 2 Queen Beds Accessible
Non-Smoking
Check RatesStandard Double Bed
Non-Smoking
Check RatesStandard Double Bed Accessible
Non-Smoking
Check RatesStandard Room, King or Two Doubles
Non-Smoking

Local Attractions

King of Prussia Mall - largest retail shopping complex in US - 1/4-mile away; complimentary transportation in a 5-mile radius; over 70 restaurants in 3-mile radius. Near by attractions... Valley Forge Park; Elmwood Park Zoo, LegoLand, Philadelphia Zoo; Center City Philadelphia

Verified Reviews of The Alloy King of Prussia a Doubletree by Hilton

Below are the verified reviews from guests that we have booked recently:
"Staff is amazing"
Overall Score5.0/ 5
Randy, Bud and Malcolm were such a HUGE help. The staff was so helpful thank you!
(Individual traveler, booked 1 room), from US flag
17-May-2026 Verified Review, stayed from Mon May 11 to Mon May 18 2026 at a $241.86 average nightly rate.
"Amazing Stay"
Overall Score5.0/ 5
The front desk was welcoming, the location of the hotel is perfect: close to King of Prussia mall, to Universities and to Philadelphia. The room and bathroom was great! Finally the price was just outstanding. Will come back again and recommend it to my friends and family!
(Individual traveler, booked 1 room), from CA flag
14-Apr-2026 Verified Review, stayed from Fri Apr 10 to Sun Apr 12 2026 at a $146.48 average nightly rate.
"Friendly clean well priced large rooms"
Overall Score5.0/ 5
Great guest services.
(Individual traveler, booked 1 room), from US flag
12-Apr-2026 Verified Review, stayed from Sat Apr 11 to Sun Apr 12 2026 at a $126.00 average nightly rate.
"Nice"
Overall Score4.0/ 5
(Individual traveler, booked 1 room), from US flag
01-Feb-2026 Verified Review, stayed from Sat Jan 31 to Sun Feb 01 2026 at a $124.02 average nightly rate.
"Great stay"
Overall Score5.0/ 5
Rooms are very clean. Nice amenities. Plenty of parking. Will stay again.
(Individual traveler, booked 1 room), from US flag
22-Dec-2025 Verified Review, stayed from Thu Dec 18 to Sun Dec 21 2025 at a $129.22 average nightly rate.
"Awesome!"
Overall Score5.0/ 5
Awesome hotel, when I come back to area I would stay at The Alloy.Couldn't be better.
(Individual traveler, booked 1 room), from US flag
19-Sep-2025 Verified Review, stayed from Fri Sep 12 to Sun Sep 14 2025 at a $171.34 average nightly rate.
"Awesome"
Overall Score5.0/ 5
We had a wonderful experience all around!
(Individual traveler, booked 1 room), from US flag
16-Jun-2025 Verified Review, stayed from Fri Jun 13 to Sat Jun 14 2025 at a $177.55 average nightly rate.
"Gorgeous Facility!"
Overall Score4.0/ 5
We enjoyed our stay in this gorgeous facility. All staff were friendly and engaging including front desk and hotel manager and assistant manager.
(Individual traveler, booked 1 room), from US flag
12-May-2025 Verified Review, stayed from Fri May 09 to Sat May 10 2025 at a $234.22 average nightly rate.
"Excellent Stay!"
Overall Score4.0/ 5
Excellent stay. The staff was so attentive and helpful! Would stay again.
(Individual traveler, booked 1 room), from US flag
04-May-2025 Verified Review, stayed from Fri Apr 25 to Sun Apr 27 2025 at a $154.98 average nightly rate.
"Loved the place."
Overall Score3.0/ 5
Great place to stay. It was the BEST STAFF I've ever experienced to date. Everyone was very helpful, they were great. I will stay here every time I come back.
(Individual traveler, booked 1 room), from US flag
04-May-2025 Verified Review, stayed from Fri May 02 to Sat May 03 2025 at a $137.99 average nightly rate.
"Very Happy!"
Overall Score4.0/ 5
The staff was very friendly. Food was good and room was clean. Overall very happy.
(Individual traveler, booked 1 room), from US flag
23-Feb-2025 Verified Review, stayed from Sat Feb 22 to Sun Feb 23 2025 at a $158.86 average nightly rate.
4.0 out of 5. Based on 1196 guest reviews

Property Description

Come July 2020 there will be 18 million more reasons to choose DoubleTree   by Hilton Philadelphia-Valley Forge for your next conference, event and hotel accommodations. DoubleTree Valley Forge is in the process of an $18.5 million dollar improvement plan that is scheduled to be completed in mid June of this 2020.  Once finished, guests will enjoy contemporary décor, new bedding, carpet, wall vinyl, modern artwork, 55-inch SMART televisions, more outlets and USB ports, renovated bathrooms and refrigerators in 327 rooms. The DoubleTree by Hilton Philadelphia-Valley Forge will also offer 25,000+ square-feet of improved event space to host unique and advanced options. Three new conference rooms and an executive boardroom will be added. The lobby and public space will be transformed with rich, bold colors, dramatic patterns, and textures including: a lobby lounge, outdoor patio and bar, mother's nursing room, fitness center expansion with state-of-the-art equipment and self-service guest laundry facilities.DoubleTree by Hilton Philadelphia - Valley Forge sits quietly at the crossroads of major highways with easy access to Center City Philadelphia and the surrounding countryside, within a half-hour ride of Philadelphia International Airport.

Green Sustainability

Water conservation program, recycling program, environmentally responsible cleaners, water stations instead of bottled water

Details / Other Expenses

Check In: 3:00pm
Check Out: 12:00 PM
Year of Last Renovation: 2020
Floors: 9
Rooms: 327
Corridors: All Rooms Have Interior Hallways
Non Smoking Rooms: 327
Handicap Rooms: 10
Suites: 60
Room Windows: Windows Don't Open
Cleaning Frequency: Daily
Meeting Rooms: 27
Meeting Space: 2229.7 sq. meters
Banquet Space: Holds 598 people
Dist. to Food/Bars: On-site
Dist. to 24hr Restaurant: 1.6 Km
Dist. to Nearest Gym: On-site
Lounge/Bar Hours: 3:00 PM -11:00AM
Pool Info:
Our 3-season, heated, outdoor pool is the ideal location for your wedding ceremony and cocktail hour. Featuring soft seating, new patio furniture and fire pit, it is perfect for poolside dining during Pennsylvania's warm, sunny summer months! (handicap accessible)
Policies / Expenses
Cancellation:
Transient - 48hrsGroup - as per contract
Nightly Parking: $0
Typical Group Deposit: 0
Total Taxes: 10.00%
Total Misc Fees: 0.00 HUF
(mandatory resort fees/taxes)
State Tax: 6.00%
Occupancy Tax: 4.00%

Amenities / Features


  • Air conditioning
  • Alarm clock
  • ATM
  • Baggage storage facilities
  • Breakfast in room
  • Central location
  • Complimentary newspaper
  • Conference facilities
  • Credit card accepted: Mastercard/Visa
  • Credit card accepted: American Express
  • Credit card accepted: Discover
  • Credit card accepted: Diners Club
  • Dinner available
  • Electronic key card
  • Elevator
  • Express Check-Out
  • Facilities for the disabled
  • Fax available
  • Fitness and health center
  • Free local calls
  • Garage
  • Generator for public spaces
  • Hairdryer available
  • Handicap accessible
  • Central heating
  • Ice Maker
  • Internet - wireless
  • Internet - ethernet
  • Free WiFi Internet
  • Ironing facilities
  • Laundry facilities
  • Licensed bar
  • Movies in room
  • Non-smoking rooms
  • 24 hours opened
  • Office or business center
  • Pets allowed
  • Private bathroom in room
  • Quiet location
  • Radio in room
  • Restaurant
  • Safe in rooms
  • Self controlled heating/cooling system
  • Shop
  • Shower
  • Swimming pool - outdoor
  • Tea and coffee making facilities
  • Telephone
  • Telephone in all rooms
  • Telephone - Free local calls
  • Television
  • TV Channel: HBO
  • TV Channel: Showtime
  • Voicemail

Airport & Shuttle Information

Philadelphia International Airport - 25 miles / 35 minutes; $75.00 one way taxi; Tropiano Shuttle Service-$30 one way (CASH ONLY)

Local Shuttle Info: Complimentary hotel shuttle to local office and within 5 miles of hotel including the King of Prussia mall, Valley Forge National Park and over 70 restaurants

Pet Friendly?

Service animals complying with ADA Title lll regulations are allowed.

Yes! Pets are allowed.
Dog friendly hotel. Limit 2 dogs per room. One time non-refundable fee of $75.

Parking Info

Complimentary

Internet / WiFI

Complimentary

About Doubletree Hotels

  • Delicious warm chocolate chip cookies upon check-in
  • HD TV's
  • Free Wi-Fi in public spaces
  • Premium bath products by Crabtree & Evelyn
  • DoubleTree Fitness Guest Rooms
  • Green-Certified Hotels
  • Eforea Spa offers three customized experiences for any guest
  • Select locations offer Made Markets, serving healthier, fresh made options

The Doubletree Hotels highlights above are subject to change without notice.

Previously known as:
Dolce Valley Forge, Doubletree by Hilton Philadelphia Valley Forge, Doubletree Valley Forge, Doublettree Valley Forge, The Alloy King of Prussia a Doubletree by Hilton?

FAQs about The Alloy King of Prussia a Doubletree by Hilton

What time is check in?

Check in time is 3:00pm based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.

What time is check out?

Check out time is 12:00 PM based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.

How many rooms does The Alloy King of Prussia a Doubletree by Hilton have?

There are 327 rooms in the property.

Is there any meeting space at The Alloy King of Prussia a Doubletree by Hilton?

Yes, they have 27 meeting rooms that can support various table layouts.

What parking is available at The Alloy King of Prussia a Doubletree by Hilton?

Complimentary

How much does internet cost?

Complimentary

Can I get a AAA rate at The Alloy King of Prussia a Doubletree by Hilton?

Sorry, this hotel does not offer AAA hotel discounts at this time.

Can I get a Senior or AARP rate at The Alloy King of Prussia a Doubletree by Hilton?

Yes, they have stay dates that support Senior hotel discounts. Example room type: Senior Savings 2 Queen Beds Complimentary High Speed Sweet Dreams Experience Bed

Is there a gym at The Alloy King of Prussia a Doubletree by Hilton?

Yes, there is a gym/fitness area available on-site at the property.

Is there a pool at The Alloy King of Prussia a Doubletree by Hilton?

Yes, there is a pool on-site at the property. Our 3-season, heated, outdoor pool is the ideal location for your wedding ceremony and cocktail hour. Featuring soft seating, new patio furniture and fire pit, it is perfect for poolside dining during Pennsylvania's warm, sunny summer months! (handicap accessible).

Testimonials:

Testimonials icon
"Everything went smoothly and we got such a great rate that nearly everyone in the wedding is coming up to stay the night before! That's about 40-50 people so we needed extra rooms and Serge has accomodated us with this all at the same low price." S.M. - Sacramento, CA

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