Welcome to the Rapid City Nikko City Sister City Association's (RCNCSCA's) website.

What is a sister city?  A sister city, is an officially santioned, long-term partnership between two muncipalities in two countries.  A sister city becomes sanctioned when the two highest elected or appointed officials sign an agreement.

We strive to promote peace thru mutual understanding, collaboration and respect.  We help to build life-long friendships across borders, encourage cultural education and facilitate exchanges for the benefit of the citizens of Rapid City and Nikko.

The RCNCSCA is a volunteer group of dedicated citizen diplomats, working to connect the people of Rapid City to the people of Nikko, Japan in a meaningful, long-term way. 

Join Us!

Add your enthusiasm and talent to the Association today.

Member benefits

  • Participate in exchange programs and visit Japan
  • Learn about Japanese culture
  • Network with those who hold similar interests
  • Host visiting students or adults from Nikko
  • Contribute to cultural understanding in Rapid City
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