Mammoth Opening Day 2024 Schedule. Mammoth opening day 2024 schedule. For details on lift and trail openings, visit the mammoth mountain website or the june mountain website.

In an unprecedented move, mammoth mountain has taken winter excitement to new heights by announcing the opening day for the next winter season, even while still in full swing for the. With longer days, creeks beginning to rush, and lakes melting out, mammoth lakes is ready for fishing season!