• maps
  • Camp Muir trail map, with GPS waypoints [older version]
  • Paradise map, indicating avalanche dangers (page 2)
  • park map
  • topo maps — [Google] [USGS] [mytopo] [buy mytopo]
  • highways in the park vicinity
• weather
  • Camp Muir — forecast, current, historical
  • Paradise, WA — forecast, current, historical, webcams
  • more weather links
• avalanche forecast [east slopes]
• volcano forecast (move "days ago" to >100) (background)
• National Park
  • winter travel advice
    • Note that a lot of roads are closed during winter, and many of the offices have reduced hours
    • All vehicles are required to carry tire chains when traveling in the park during the winter season. This applies to rental cars as well. "some stores may accept returns of unused chains"
  • climbing advice
  • info on the climbing pass and climbing permit
    • Wilderness permit / Climbing permit is $20 per group, is required for all overnight camping
    • Climbing pass isn't required as long as you go no higher than Camp Muir
    • Park entry fee is $15 per vehicle, and this covers everyone in the vehicle
    • 2014 winter update on where to register
  • the snow melter at Camp Muir provides water, and is heated by two different means — a propane-powered heater, and a solar melter that began operation in 2012
• staff post regular updates in several places:
  • Twitter @MountRainierNPS [photos]
  • MountRainierClimbing.blogspot.com
  • news releases on their main website
  • winter trails report (updated every few weeks)

Other background information:

• SAR reports and yearly reports, by the climbing rangers
• Trail guides / reviews / stories: [1]
• KMZ / KML (GPS track) files