v3.25.2
Cover
Jul. 29, 2025
Cover [Abstract]  
Securities Act File Number 333-274697
Document Type N-2
Document Registration Statement true
Investment Company Act Registration true
Entity Registrant Name NIAGARA INCOME OPPORTUNITIES FUND
City Area Code 770
Local Phone Number 350-8700
Approximate Date of Commencement of Proposed Sale to Public As soon as practicable after the effective date of this Registration Statement.
Dividend or Interest Reinvestment Plan Only false
Delayed or Continuous Offering true
Effective Upon Filing, 462(e) false
Additional Securities Effective, 413(b) false
Effective when Declared, Section 8(c) false
New Effective Date for Previous Filing false
Additional Securities. 462(b) false
No Substantive Changes, 462(c) false
Exhibits Only, 462(d) false
Entity Well-known Seasoned Issuer No
Entity Emerging Growth Company false
Entity Central Index Key 0001990685
Amendment Flag false
Entity Inv Company Type N-2
Document Information [Line Items]  
Entity Address, Address Line One 3550 Lenox Road NE
Entity Address, Address Line Two Suite 2550
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30326
Entity Registrant Name NIAGARA INCOME OPPORTUNITIES FUND
Local Phone Number 350-8700
Effective when Declared, Section 8(c) false
Document Registration Statement true
Investment Company Act Registration true
Entity Emerging Growth Company false
Business Contact  
Document Information [Line Items]  
Contact Personnel Name The Corporation Trust Company
Entity Address, Address Line One Corporation Trust Center
Entity Address, Address Line Two 1209 Orange Street
Entity Address, City or Town Wilmington
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19801