MINERAL PROPERTY INTERESTS - Schedule of Idaho-Maryland Gold Mine expenditures (Details) - USD ($)	3 Months Ended	12 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Jul. 31, 2024
Mineral Property Interests [Line Items]
Depreciation	$ 0	$ 5,562
Idaho Maryland Gold Mine Property [Member]
Mineral Property Interests [Line Items]
Opening balance	9,539,814	$ 8,730,982	$ 8,730,982
Consulting	35,796		715,108
Depreciation	0		16,935
Engineering	0		4,622
Exploration	0		1,405
Logistics	0		5,269
Rent	7,080		53,432
Supplies	2,286		11,251
Sampling	0		810
Total expenditures for the period	45,162		808,832
Closing balance	$ 9,584,976		$ 9,539,814

Consulting Expenses

No definition available.

Name:	ryes_ConsultingExpenses
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Engineering Expenses

+ References

No definition available.

+ Details

Name:	ryes_EngineeringExpenses
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of Exploration income (Expense).

+ References

No definition available.

+ Details

Name:	ryes_ExplorationIncomeExpense
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Mineral Exploration

+ References

No definition available.

+ Details

Name:	ryes_MineralExploration
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents information of mineral property Interests.

+ References

No definition available.

+ Details

Name:	ryes_MineralPropertyInterestsLineItems
Namespace Prefix:	ryes_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Rent Expenses

+ References

No definition available.

+ Details

Name:	ryes_RentExpenses
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sampling Expenses

+ References

No definition available.

+ Details

Name:	ryes_SamplingExpenses
Namespace Prefix:	ryes_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

+ Details

Name:	us-gaap_DepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of capitalized exploration cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method. Excludes acquisition and development costs and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii)(A))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

+ Details

Name:	us-gaap_ExplorationCostsCumulative
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate amount of expenses directly related to the supplies and postage.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(14))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details

Name:	us-gaap_SuppliesAndPostageExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenses incurred for travel and entertainment during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_TravelAndEntertainmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ryes_IdahoMarylandGoldMinePropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: