Rütli or Grütli is a mountain meadow on Lake Lucerne, in the Seelisberg municipality of the Swiss canton of Uri. It is the site of the Rütlischwur in traditional Swiss historiography, the oath marking the foundation of the original Swiss Confederacy. As such it is treated as a national monument of Switzerland. Since 1860, the Schweizerische Gemeinnützige Gese…Rütli or Grütli is a mountain meadow on Lake Lucerne, in the Seelisberg municipality of the Swiss canton of Uri. It is the site of the Rütlischwur in traditional Swiss historiography, the oath marking the foundation of the original Swiss Confederacy. As such it is treated as a national monument of Switzerland. Since 1860, the Schweizerische Gemeinnützige Gesellschaft has organized a celebration at the site on Swiss National Day, since 1994 recognized as a public holiday. Rütli is only accessible by boat from Lake Lucerne or by foot from Seelisberg.