1910 Josef Urthaler (grandfather of Walter Urthaler) builds the Enzian Inn in Siusi
1926  Construction of the guesthouse Urthaler in Siusi, which in the 1930s is renamed Hotel Diana
1938 The family Josef Urthaler moves to Alpe di Siusi and rents the guesthouse Corradini
1948  Construction of the annexe Urthaler with 25 beds
1954  Purchase of the guesthouse Bellavista. The guesthouse is renamed Gasthof Urthaler and the lease of the guesthouse Corradini is terminated
1955  Opening of a bar that is later named Yeti Bar - today it houses the ski hire
1967  Walter Urthaler takes on the management of the Gasthof Urthaler Inn
1968  Lease of the Hotel Plaza
1971 Lease of the Hotel Goldenes Rössl in Castelrotto and the Hotel Santner on Alpe di Siusi
1978 Purchase of the Hotel Plaza
1985 Purchase of the Hotel Maria which is renamed to Hotel Compatsch. Nina Urthaler takes over the management of the Hotel Compatsch
2001 Demolition of the Gasthof Urthaler and the Yeti Bar
2002 The new Hotel Urthaler is opened on 2. December 2002
2003 New design of the hotel logo of the Seiser Alm Hotels with Seiser Alm Urthaler, Seiser Alm Plaza, Seiser Alm Compatsch
2004 Donation of a plot of land for the construction of a new church on Alpe di Siusi that is close to our hearts
2006 First Kneissl Star Lodge
2007 Putting green outside the Seiser Alm Plaza
2008 40 years of Seiser Alm Plaza
2009  Seiser Alm Urthaler is awarded its fifth star
2010 Renaming of the Kneissl Star Lodge to „die bar d&b“
2011 The new generation takes over
2012 10 year anniversary of Seiser Alm Urthaler
2013 End of use of Seiser Alm Compatsch as a hotel and change of use as employee house
2013 Expansion of the Seiser Alm Urthaler: 9 rooms, construction of a smokers’ lounge and a further restaurant