Topaz Landing
Bannock County
Updated
IDFG Access SitesActive
Current conditions
Portneuf River at Topaz ID
Nearest gauge · 0.7 mi
Live48 minutes ago
Flow
Gage height
Seasonal Flow
Much below normal9th percentile for Sep 5 · 110-yr record
Flow · 2 weeks + 7-day forecast
Holding near ~81 cfs by Sep 12 · issued Sep 5, 2026, 10:12 AM MDT · NOAA
Site photos
Site facts
CountyBannock
Region5
Campno
Restroomno
Rampno
Dockno
ADA fishingno
Fishing / BoatingFishing
Coordinates42.62202, -112.07499
Data: Idaho Fish & Game · Source id idfg_access:355