1. Fiordland National Park is located in the south-west corner of the South Island of New Zealand. It covers an area of 12,607 square kilometers and is the largest national park in New Zealand. It is known for its rugged mountains, glacial valleys, alpine lakes, waterfalls, and fiords. It is home to a variety of flora and fauna, including the endangered takahe and the kiwi bird.

Milford Sound is a fjord located within Fiordland National Park. It is considered one of the top tourist destinations in New Zealand and is known for its stunning scenery, including towering waterfalls, snow-capped mountains, clear waters, and abundant wildlife.

Interesting facts about Fiordland National Park include:

- The park has been designated a UNESCO World Heritage site due to its natural value and historical significance.

- The park is home to several unique bird species, including the kea parrot and the elusive takahe.

- Fiordland is known for its wet climate, with an average of 200 rainy days per year.

- The park has several well-known hiking trails, including the Milford Track and the Kepler Track.

2. The park is open year-round. The visitor center is open from 8:30 am to 5:00 pm daily. The phone number for the Department of Conservation visitor center is +64 3-249 7924.

3. There is no entrance fee for Fiordland National Park. However, fees apply for camping, huts, and other facilities. The cost for the Milford Sound cruise varies depending on the operator and the length of the tour. Transportation to Fiordland National Park is available via car, bus, or plane. The nearest airports are located in Queenstown and Invercargill.