In American Samoa, the National Park Of American Samoa (Paka O Amerika Samoa) offers hiking trails through mountainous tropical rainforests spread across 9,500 acres. The trails range from easy to strenuous. Some of the more popular routes include the Mount 'Alava Trail (7 miles roundtrip), the Mount 'Alava Adventure Trail with 56 ladders and 783 steps (5.6 miles roundtrip), and if you are ready to go really big, the Tumu Mountain Trail on Ofu Island (5.5 miles roundtrip with 1,621 feet of vertical.
The best time of year for hiking on American Samoa is during the dry season from April through September. The wet season is known to be really wet and severe storms are possible.
To reach the hiking in American Samoa by air, you will need to fly into Pago Pago International Airport (PPG). There are two options. First, there is a twice a week flight from Honolulu on Hawaiian Airlines (five hours). Second, there are inter-island flights from Faleolo International Airport (APW) in Apia, Western Samoa, on Inter Island Airways (35 minutes). Faleolo International Airport has numerous international flights from New Zealand, Fiji, Tahiti, Hawaii and Los Angeles. To reach the other islands of American Samoa, Inter Island Airways also flies from Pago Pago International Airport to Tutuila Island and to Manu Island. Alternately, the American Samoa Port Administration operates a bi-weekly ferry service between Pago Pago, Tutuila and the Manu'a Islands aboard the MV Sili.
TIP: This is a very tropical island with plenty of swarming mosquitos, so make sure to bring bug spray and a mosquito net for sleeping.