WEST YELLOWSTONE, Mont. (AP) — Yellowstone National Park has welcomed more than 1.4 million visitors this year, a 10 percent increase over the same time in 2015.

The National Park Service says the park had about 830,000 visitors during the month of June alone, a 7 percent jump from last year. The park's south entrance, which connects to Grand Teton National Park, had the biggest increase in June visits with an increase of 20,000 tourists from last year.

The west entrance to the park still holds the top spot for visitors, recording nearly 14 percent more than last year. Officials plan to look further into the statistics by conducting a survey in August to determine where visitors are from and their motivation for visiting the park. This year marks the park service's 100th anniversary.