Welcome to your Lakeview Mountain Mansion on nearly ¾ acre! Just a three-block stroll to Big Bear Lake and one block to National Forest trails, this exceptional north-shore retreat offers the perfect blend of privacy, space, and convenience—only 10 minutes to shopping and 15 minutes to the ski slopes, golf course, and Big Bear Village. Enjoy huge mature trees surrounding a beautiful giant deck and spa, ideal for sunset views and outdoor living. The versatile main home features five bedrooms and four bathrooms upstairs (including three master suites), plus flexible main-level spaces: a game room (potential bedroom), living room, half bath, office/den (another potential bedroom), formal dining room, and a large kitchen with dual refrigerators and professional-grade Thermador range/oven. Additional main-floor highlights include a gym room (also convertible to a bedroom), half bath, giant laundry, and tankless water heater. An attached apartment/guest house/ADU provides independent living with its own kitchenette (stove and sink and room for a refrigerator), bedroom offering lake views, and an oversized bathroom with sweeping lake and mountain vistas—bringing the total to 7 bedrooms and 6 bathrooms. Complete with a huge oversized two-car garage and a plethora of parking, this rare property delivers mountain luxury, flexible living options, and true Big Bear lifestyle. This would make for an amazing primary home, second home, or Airbnb/investment property, so come and take a look at your Mansion on the Top of the Hill overlooking all of Big Bear Lake!