Specific requirements
Nidwalden requires 2 years of cantonal and municipal residence. German (B1) is required. With 11 municipalities, the process is personalized.
Civics exam
Covers federal and cantonal institutions, history (Arnold von Winkelried at Sempach, founding canton of 1291) and local geography.
Procedure and timelines
File at the municipality, then the Migration Office. Expect 10 to 20 months.
Costs
Municipal/cantonal: CHF 200–450 Federal: CHF 100 (non-EU/EFTA)