Coverage · 436 NPS places tracked 86 source-reviewed briefsPlanning · Seasonal windows modeled and labeledOperations · Official alerts verify at nps.govSource-reviewed · Place briefs with dated source cardsCatalog · Preview pages identity snapshot onlyListening · Procedural cues never field recordings

NPS SoundsPlace Intelligence

SNAPSHOTOCT 2026

TOP REGIONS

Pacific Northwest

OlympicMount RainierCrater Lake

YellowstoneGlacierGrand Teton

Desert Southwest

Grand CanyonZionArches

BROWSE

Place IndexEvery tracked NPS place

Browse the place catalogOpen a seasonal timing page

Regional HubsPlaces grouped by region

Regional place listsSeasonal planning pages

State hubsPlaces grouped by state

State-by-state place lists

DesignationsBrowse by unit type

Parks, monuments, trails

Designation Browse

Islands

Browse 2 places in the islands layer.

2Places

This designation page exists to browse Islands across the NPS system and compare their labeled planning and listening states.

Island

Alcatraz Island

Best primary window for Alcatraz Island: April, with May and October as strong shoulder months.

Open preview Best time to visit Alcatraz Island

Best windows: April, May, October

Island

Theodore Roosevelt Island

Best primary window for Theodore Roosevelt Island: May, with April and June as strong shoulder months.

Open preview Best time to visit Theodore Roosevelt Island

Best windows: May, April, June

NPS designations

Browse all designation hubs or every NPS place.