    <SEC-DOCUMENT>0001829126-24-001456-index.html : 20240308
    <SEC-HEADER>0001829126-24-001456.hdr.sgml : 20240308
    <ACCEPTANCE-DATETIME>20240308092736
    ACCESSION NUMBER:		0001829126-24-001456
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240308
    DATE AS OF CHANGE:		20240308
    EFFECTIVENESS DATE:		20240308

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GAMCO Natural Resources, Gold & Income Trust
    		CENTRAL INDEX KEY:			0001438893
    		ORGANIZATION NAME:
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-22216
    		FILM NUMBER:		24732543

    	BUSINESS ADDRESS:
    		STREET 1:		ONE CORPORATE CENTER
    		CITY:			RYE
    		STATE:			NY
    		ZIP:			10580
    		BUSINESS PHONE:		914-921-5100

    	MAIL ADDRESS:
    		STREET 1:		ONE CORPORATE CENTER
    		CITY:			RYE
    		STATE:			NY
    		ZIP:			10580

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GAMCO Natural Resources, Gold & Income Trust by Gabelli
    		DATE OF NAME CHANGE:	20120106

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Gabelli Natural Resources, Gold & Income Trust
    		DATE OF NAME CHANGE:	20080717

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Gabelli Gold & Income Trust
    		DATE OF NAME CHANGE:	20080630
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>gnt_ncsr.htm
    <DESCRIPTION>N-CSR
    <TEXT>
    Document 1 - file: gnt_ncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CODE ETH
    <SEQUENCE>2
    <FILENAME>gnt_ex99codeeth.htm
    <DESCRIPTION>EXHIBIT 99.CODE ETH
    <TEXT>
    Document 2 - file: gnt_ex99codeeth.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>3
    <FILENAME>gnt_ex99-cert.htm
    <DESCRIPTION>EXHIBIT 99.CERT
    <TEXT>
    Document 3 - file: gnt_ex99-cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>4
    <FILENAME>gnt_ex99-906cert.htm
    <DESCRIPTION>EXHIBIT 99.906 CERT
    <TEXT>
    Document 4 - file: gnt_ex99-906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>gnt_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: gnt_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>gnt_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: gnt_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>gnt_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: gnt_003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>gnt_back.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: gnt_back.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>9
    <FILENAME>gnt-20231231.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 9 - file: gnt-20231231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>10
    <FILENAME>gnt-20231231_def.xml
    <DESCRIPTION>XBRL DEFINITION FILE
    <TEXT>
    Document 10 - file: gnt-20231231_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>11
    <FILENAME>gnt-20231231_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 11 - file: gnt-20231231_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>12
    <FILENAME>gnt-20231231_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
    Document 12 - file: gnt-20231231_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>15
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: FilingSummary.html

    Document 19 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>21
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>22
    <FILENAME>0001829126-24-001456-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: 0001829126-24-001456-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>23
    <FILENAME>gnt_ncsr_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: gnt_ncsr_htm.html

    Document 23 - RAW XML: gnt_ncsr_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>