Of the rest of the land, 4.1% is settled (buildings or roads) and the remainder (22.5%) is non-productive (rivers or lakes).

[1] The village is located on Wildhaus Pass (1,090 m (3,580 ft)) from Gams, in the Rhine valley, to Unterwasser in Toggenburg between the Churfirsten peaks and Säntis.

The ski slopes above Wildhaus, Unterwasser and Alt St. Johann on the Churfirsten ranges reach 2,262 m (7,421 ft).

[2] The blazon of the municipal coat of arms is Argent an Ibex Sable on a Stone proper between two Pine Trees Vert issuant from a Base of the last.

Of the foreign population, (as of 2000[update]), 20 are from Germany, 3 are from Italy, 77 are from ex-Yugoslavia, 7 are from Austria, 5 are from Turkey, and 55 are from another country.

[5] The Birthplace of the reformer Huldrych Zwingli at Lisighus 167 is listed as a Swiss heritage site of national significance.

[6] The ruins of the Wildenburg [de], a former castle that was originally built in 1200 by the barons of Sax and sold to the earl Friedrich IV von Toggenburg in 1313.

[9] From the 2000 census[update], 468 or 37.1% are Roman Catholic, while 572 or 45.4% belonged to the Swiss Reformed Church.

The wettest month is August during which time Wildhaus receives an average of 202 mm (8.0 in) of rain or snow.