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.

One of the world’s oldest national parks, Mount Rainier became part of the federal ... When to go: Year-round. Wildflowers are at their best in July and August. High trails may remain snow ...

Enveloped by lush forests, alpine meadows and glacial landscape, 14,410-foot-tall Mount Rainier, an active stratovolcano ... of meadows blanketed by vibrant wildflowers in the summer months.