Whistler Mountain is the right-most (southern) mountain when looking at the Whistler-Blackcomb ski area from Whistler Village. It has a summit elevation of 2,184 meters (7,165 feet). The total vertical drop is 1,530 meters (5,020 feet) and 4,757 acres (1,925 ha) skiable inbound terrain. Whistler is served by a total of 20 lifts; 2 gondolas, 7 high-speed detachable quad chair lifts, 2 fixed grip chair lifts, 2 T-bars. and the drive station for the Peak 2 Peak Gondola connecting it with Blackcomb mountain to the north. There are 4 on-hill restaurants, as well as a children's ski school facility and children can sign up for a five-day lesson called "Adventure Camp". It is served by two base areas: Whistler Creek, the original base on its southwest flank, and Whistler Village on its northwest flank.

Blackcomb Mountain is the left-most (northern) mountain when looking at the Whistler-Blackcomb ski area from Whistler Village. It has a lift-serviced elevation of 2,240 metres (7,350 feet) at the top of the 7th Heaven chair – Blackcomb Mountain itself is higher at 2,440 meters (8,010 feet), but unlike Whistler the peak is not lift-served. Blackcomb has a higher skiable vertical, at 1,565 meters (5,135 feet),[3] and less in-bound skiing area at 3,414 acres (1,382 ha). It is served by 17 lifts; 1 gondola, 6 high-speed quads, 3 fixed-grip triples and 7 surface lifts, as well as the end-station for the Peak 2 Peak. Blackcomb is the location of the world famous "Couloir Extreme" run, which is one of the top ten steep in-bounds runs in the world according to Skiing Magazine.

Travelling from one mountain to the other, while staying in the ski area, was only possible at the valley elevation before 2008. It was only when Whistler Blackcomb connected the two mountains at approximately 1,800 m (5,900 ft) with the Peak 2 Peak Gondola that visitors could then travel between mountains without skiing down and taking the regular lifts up. This lift opened on December 12, 2008.[5] The lift has a total length of 4.4 km (2.7 mi) and the longest unsupported span for a lift of its kind in the world at 3.02 km (1.88 mi) while also having the highest ground clearance for a lift of its kind, 436 m (1,430 ft) above the valley floor.