State Rep. Gary Knopp, who represented the area, was alone in one of the planes. The other plane was carrying four tourists from South Carolina, a guide from Kansas and a pilot from Soldotna.
All seven victims were pronounced dead at the site except for one person who died while being transported to a hospital, according to the troopers.
Crash debris fell on a highway, which was shut down briefly out of safety concerns.
The Federal Aviation Administration identified one of the planes as a de Havilland DHC-2 Beaver.
The FAA and National Transportation Safety Board are investigating the crash.
House Speaker Bryce Edgmon, an independent, said in a statement that “I’m devastated and shocked to learn of the crash that claimed Gary Knopp’s life,”
The victims were identified as pilot Gregory Bell, 67, guide David Rogers, 40, and the South Carolina visitors: Caleb Hulsey, 26; Heather Hulsey, 25; Mackay Hulsey, 24; and Kirstin Wright, 23.