Seattle city has over of parkland. Seattle is located between the saltwater Puget Sound (an arm of the Pacific Ocean) to the west and Lake Washington to the east. The city's chief harbor, Elliott Bay, is part of Puget Sound, which makes the city an oceanic port. To the west, beyond Puget Sound, are the Kitsap Peninsula and Olympic Mountains on the Olympic Peninsula; to the east, beyond Lake Washington and the Eastside suburbs, are Lake Sammamish and the Cascade Range. Lake Washington's waters flow to Puget Sound through the Lake Washington Ship Canal (consisting of two man-made canals, Lake Union,
Puget Sound but increases to about at Olympia, the southern end of Puget Sound. Puget Sound is generally accepted as the start of the Inside Passage. Important marine flora of Puget Sound include eelgrass ("Zostera marina") and kelp, especially bull kelp ("Nereocystis luetkeana"). Among the marine mammals species found in Puget Sound are harbor seals ("Phoca vitulina"). Orca ("Orcinus orca") are famous throughout the Sound, and are a large tourist attraction. Although orca are sometimes seen in Puget Sound proper they are far more prevalent around the San Juan Islands north of Puget Sound. Many fish species occur in Puget Sound. The