All tools

• Course time calculator

  Walking time from distance, ascent and fitness using the Japanese map standard, with your margin before sunset.

• Water calculator

  How much water to carry from body weight, hours and temperature, and how much less with springs or huts on the route.

• Temperature by altitude

  Summit temperature and wind chill from the valley forecast, with what to wear.

• Pack weight calculator

  Total pack weight and body-weight ratio against day, hut and tent benchmarks.

• Fuel calculator

  How many OD or CB gas canisters and how much firewood for a trip in Japan.

• Sunrise and sunset

  Daylight hours for a Japanese mountain area and date. — Coming soon

• Hiking calories

  Calories burned and snack planning. — Coming soon

• Starter kit budget

  What a first hiking or camping kit costs in Japan. — Coming soon