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Black Rock Desert-Humboldt
Central Lahontan
Central Nevada Desert Basins
Escalante Desert-Sevier Lake
Great Salt Lake
Lower Colorado
Lower Colorado-Lake Mead
Middle Snake
North Lahontan
Northern Mojave-Mono Lake
Oregon closed basins
Upper Snake
Level Legend: - - - - - - - - - Below Recommended Low Runnable - - - - - - - - High Runnable Above Recommended - - - - - - - - - Unknown Unknown
Options Scheme: customize colors... Detailed Rivers Simple Rivers

Unknown Drainage

Lower Colorado-Lake Mead

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River Name/Section Class Level running? Updated
Colorado [AZ] 18. Lee's Ferry to Lake Mead III-IV 15000 cfs
+ 402 cfs/hr
Lower Runnable
Havasu Creek [AZ] 01. Falls to Colorado River II-III(V+) n/a

Paria [AZ] 01. Highway bridge to Lee's Ferry III-V n/a

Tapeats Creek [AZ] 01. Thunder River to Colorado River III-IV n/a

Virgin, N. Fork [UT] 01. Chamberlain Ranch to Temple of Sinawava (Zion Narrows) III-IV 58 cfs
+ 1 cfs/hr
Below Recom.
Virgin, N. Fork [UT] 02. Sinawava to South Campground (Zion NP) III-V 58 cfs
+ 1 cfs/hr
Below Recom.
Virgin [UT] 01. South Campground (Zion NP) or Springdale to Virgin II 58 cfs
+ 1 cfs/hr
Below Recom.
Virgin [UT] 02. Timpoweap Canyon: Virgin to LaVerkin IV-V(V+) 113 cfs
+ 7 cfs/hr
Below Recom.
Virgin [UT] 03. LaVerkin to Hurricane III 67 cfs
-1 cfs/hr
Below Recom.
Virgin [AZ] 04. Upper Gorge: I-15 at mile 23 to Cedar Pockets Rest Area III 54 cfs
-4 cfs/hr
Below Recom.
Virgin [AZ]