One of the world’s oldest national parks, Mount Rainier became part of the federal ... Wildflowers are at their best in July and August. High trails may remain snow covered until mid-July.

The best time to visit Mount Rainier National Park is July through August, when wildflowers transform the park's subalpine meadows and the dry, warm weather provides optimal hiking conditions.

According to the National Park Service, most visits to Mount Rainier National Park occur between July and September. Reservations are currently required for visitors coming into the park between 7 ...

Open from early July to late September ... Sunrise is the highest point that can be reached by vehicle at Mount Rainier National Park.

At its summer peak months in July and August, Mount Rainier National Park welcomes most of its over 1.6 million annual visitors. He did say that at the end of peak season in September 2024 when ...