The honest review
Great Wolf Lodge Grapevine is the most popular Great Wolf in the country and a useful case study in how purpose-built family resorts beat generic hotels on family-fit metrics.
The 80,000-sqft indoor water park is kept at 84°F year-round (Texas humidity-controlled) and access is included in every room rate — not an add-on. That alone solves the math problem most families run into with traditional resorts: the kids are happy for 8+ hours/day, the parents aren't spending an extra $80-$160/day on water park admission, and you don't need to leave the property for entertainment.
Every room category is designed for at least 4 people. The KidCabin Suite — the entry-level family room — has a separate kids 'cabin' with bunk beds, a TV, and a kid-themed bathroom inside the parents' suite. The Wolf Den suite has a full bedroom for kids with their own door. Sleeps up to 6 in either layout. This is significant because at most non-family-branded hotels, you're either booking two rooms or cramming a rollaway into a standard king.
MagiQuest is the underrated draw — it's a property-wide interactive treasure hunt where kids buy a wand ($25-$40, one-time) and use it to interact with hidden RFID points throughout the resort. Kids ages 5-10 can spend literally a full day on it. It's the closest thing to Pokemon Go IRL that exists in a hotel.
Where it loses big: parent recovery is weak. There's an adult hot tub and a basic spa, but no adults-only zone, no quiet pools, no fine dining. After 3 days you may need a break. Food options are entirely kid-focused (Pizza Hut, Hershey's chocolate kitchen, build-your-own pizza) and the on-property restaurants are mediocre and overpriced. Plan to drive out for one or two meals during the trip.
Location is also a downside if you want to do anything besides the resort — Grapevine, TX is 20 minutes from DFW airport but not central to Dallas or Fort Worth attractions. Treat this as a destination unto itself, not a basecamp.