System dossier // methodology // sources // limits

About Trailerseekr

Trailerseekr is a trail research and outdoor context app. It combines curated trail records with public-source telemetry so people can compare routes, scenery, wildlife context, and environmental signals before deciding where to go.

This product is for information and trip research only. It is not an emergency, navigation, wildfire, earthquake, weather, air-quality, or medical safety service.

Methodology

How the app works

Trail pages are built from curated route records stored in the app, including trail attributes such as difficulty, distance, family suitability, amenities, and descriptive notes.
Supplemental live context is requested from worker-backed APIs for weather outlooks, air-quality readings, nearby recreation facilities, earthquake events, wildfire or hazard feeds, and selected wildlife records.
Worker responses are cached for short periods, so values shown in the app can lag behind upstream systems by several minutes or longer depending on the source.
Search, filtering, and page organization are designed to help compare options quickly, but they do not rank routes for safety, fitness, accessibility, or suitability for every visitor.

Information only

What Trailerseekr is not

Not turn-by-turn navigation or a substitute for trail signage, ranger guidance, or official park maps.
Not emergency guidance and not a source for evacuation, wildfire response, earthquake response, flood response, or medical decisions.
Not a guarantee that a trail is open, safe, staffed, accessible, accurately mapped, smoke-free, or appropriate for children, pets, or mobility devices on a given day.
Not a promise that third-party data is complete, current, or error-free.

Sources

Primary information sources

The current app uses a mix of curated trail content and public or government data services routed through worker endpoints. Availability, freshness, and coverage depend on those upstream systems.

National Weather Service / weather.gov

Forecast point and period data used to show short-term weather outlooks near a trail coordinate.

Used for: Weather forecast context

Endpoint:https://api.weather.gov/

AirNow

Air-quality observations used for current AQI summaries around selected coordinates.

Used for: Air-quality context

Endpoint:https://www.airnow.gov/

Recreation.gov RIDB

Facility and recreation inventory data used to surface nearby recreation locations.

Used for: Nearby recreation facilities

Endpoint:https://ridb.recreation.gov/

National Park Service Developer API

Species records used for selected wildlife summaries tied to park codes.

Used for: Wildlife and species context

Endpoint:https://www.nps.gov/subjects/developer/

USGS Earthquake Catalog

Recent earthquake event data used in the seismic dashboard and related trail context.

Used for: Earthquake telemetry

Endpoint:https://earthquake.usgs.gov/fdsnws/event/1/

NASA EONET

Open event feeds used for wildfire and natural hazard context in the hazard views.

Used for: Hazard event context

Endpoint:https://eonet.gsfc.nasa.gov/

Interpretation guidance

How to use this information responsibly

Verify closures, permits, fire restrictions, and weather conditions with the relevant land manager or official source before travel.
Use local judgment on terrain, wildlife, heat, smoke, trail damage, and water availability.
Treat seismic, hazard, weather, and air-quality data as reference context rather than a final go or no-go instruction.
If conditions matter to safety, rely on official agency alerts and on-site signage over app content.