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Portland International Airport (PDX) is accessible via Interstate 5 and 205, as well as the 30B Bypass and is situated on the shores of the Columbia River.
Flight duration from PDX to Kona International Airport (KOA) is from seven to ten hours, depending on stops. Coastal transportation makes use of the Queen Kaahumanu Highway.
Hawaii Volcanoes National Park is the most popular tourist destination, and it includes several dormant volcanoes including Mount Kilauea. The Panaewa Rainforest Zoo is the only tropical zoo in the United States, and it features some exotic animals like the white Bengal tiger and the Hawaiian state bird, Nene geese.
Waimea Canyon is nicknamed the Grand Canyon of the Pacific, and is a mile wide, 10 miles long and 3,600 feet deep.
The winter months of October through April are when Hawaii receives the most rainfall, so during these months be prepared and pack some rain gear to bring along for your visit. The period of May through September is the drier time, and temperatures average around 90 degrees Fahrenheit during summer, while tapering off to a still warm 78 during the winter months.