19–23 Jan 2026
Asia/Tokyo timezone

KEK user registration and domitory reservation

KEK User Registration (compulsory for KEK visitors)

For those who do not have a KEK user ID:

  1. Visit the webpage "KEK User Information" at
    Japanese: http://www2.kek.jp/uskek/
    English: http://www2.kek.jp/uskek/eng/index.html
  2. Click "ユーザー登録 (User Registration)" in the left menu.
  3. Read the terms and click "Agree" at the bottom.
  4. Fill the form (see the example for KEK-related inputs attached to this page) and click "Continue".
  5. You will receive your User ID by e-mail within a week.


 For those who already have a KEK user ID:

  1. This process is only for those who already have a User ID.
  2. Please login at the webpage: https://krs.kek.jp/uskek/ui/UI_00000E.do
    (User ID is your registered e-mail address. If you do not remember your Password, please e-mail Users Office <uo1 (at) mail.kek.jp>)
  3. Click "Administrative Procedures for Visiting KEK/J-PARC" in the left menu.
  4. Click "2. Identify the purpose of your visit to KEK/J-PARC" just below.
  5. Fill the form (see example files attached to this page. ).
  6. Click "Next" and "Agree".
  7. You will get an e-mail within a week.

Application for KEK dormitory reservation(at most 45days in advance)

  1. Please login at the webpage: https://krs.kek.jp/uskek/ui/UI_00000E.do
  2. Click "Accommodation Booking and/or Travel Expenses" in the left menu.
  3. Click "1. Make an Accommodation Booking and/or Apply for Travel Expenses" just below.
    Participants from abroad are requested to choose ``Accommodation Only'' and, for receiving travel support, send the itinerary in Japan to organizers.
  4. Fill the form and click "Submit" at the bottom.

Detailed information can be found at http://www2.kek.jp/uskek/eng/visiting/detail.html


 For KEK dormitory booking, we recommend early booking since many visitors come to KEK during this period. Find more information on KEK dormitory at  http://www2.kek.jp/uskek/eng/visiting/dormitory.html.