The tour company we're using at Yellowstone National Park sent a note about price changes for various park entrance fees effective today. So, if you're going to Yellowstone or Grand Teton National Parks this summer, you may want to make note.
On May 11th the park service announced the changes for summer park entrance fees starting June 1, 2015:
$15 – per person 1-7 days Yellowstone & Tetons
$30 – per private vehicle 1-7 days Yellowstone only
$30 – per private vehicle 1-7 days Tetons only
$50 – per private vehicle 1-7 days Yellowstone & Tetons
$80 – Annual for all National Park (this rate stayed the same)
$10 – Lifetime Senior Pass for all National Parks (this rate stayed the same)