What our sources can tell you
We prioritize public land managers, weather and safety authorities, standards bodies, conservation organizations, and clearly identified technical references. Retailer education may help explain fit or product functions, but it does not set destination rules. We identify geography and publication dates when available, use original explanatory prose, and link to the underlying source so readers can check its current version.
Source directory
- Trip Planning GuideU.S. National Park Service · US national park context; use the workflow as an example and direct visitors to their local land manager.
- Ten EssentialsU.S. National Park Service · NPS explains this as a starting point that may need additions for a particular activity or place.
- Plan Your VisitU.S. National Park Service · US national park service example; not a source for non-US destinations.
- Staying Safe: Trails & HikingU.S. National Park Service · NPS topical page; current local conditions still require destination-specific verification.
- Tailgate Safety Series: General HikingU.S. National Park Service · Public agency safety information; avoid turning brief bullets into individual medical advice.
- Before the TripU.S. National Park Service · US park guidance; requirements and outdoor contexts differ globally.
- Camping Safely: During Your StayU.S. National Park Service · Some rules and animal guidance are site-specific; readers must follow the local authority.
- Cooking in CampU.S. National Park Service · Food storage distance and approved containers vary by park and species.
- The 7 PrinciplesLeave No Trace Center for Outdoor Ethics · The names are referenced and linked; explanatory article prose is original. Reprinting the principles in full requires the organization’s stated copyright and brand terms.
- Principle 1: Plan Ahead and PrepareLeave No Trace Center for Outdoor Ethics · Some listed distances and rules are US-oriented examples; verify local requirements.
- Principle 2: Travel & Camp on Durable SurfacesLeave No Trace Center for Outdoor Ethics · Specific minimum distances in the source are not universal law; explain them as LNT guidance where relevant.
- Principle 3: Dispose of Waste ProperlyLeave No Trace Center for Outdoor Ethics · The page explicitly says some narrow canyons and fragile places require pack-out; no single method fits all destinations.
- Principle 4: Leave What You FindLeave No Trace Center for Outdoor Ethics · Use local biosecurity guidance for destination-specific cleaning and inspection requirements.
- Principle 5: Minimize Campfire ImpactsLeave No Trace Center for Outdoor Ethics · Fire bans and legal requirements change by jurisdiction, date, and local conditions; the source is not a live status feed.
- Principle 6: Respect WildlifeLeave No Trace Center for Outdoor Ethics · Species-specific distances and responses must come from the local wildlife or park authority.
- Principle 7: Be Considerate of OthersLeave No Trace Center for Outdoor Ethics · Apply alongside local access rules and community guidance.
- Risk ManagementNational Outdoor Leadership School · Institutional training perspective, not a substitute for trained instruction or emergency services.
- Lightning SafetyU.S. National Weather Service · US weather service. Seek the corresponding national or regional meteorological authority elsewhere.
- Outdoor Activities: Lightning Safety and PreparednessU.S. National Weather Service · Regional office page; do not imply there is always a safe place outdoors.
- Heat SafetyU.S. National Weather Service · Use local forecast products and official heat guidance; alert thresholds differ by region.
- Outdoor Activities: Heat Safety and PreparednessU.S. National Weather Service · Regional weather office guidance; no universal safe temperature or personal fluid formula is asserted.
- During Extremely Cold WeatherU.S. National Weather Service · General severe-cold safety page; local conditions and individual risk differ.
- Preventing Lyme DiseaseU.S. Centers for Disease Control and Prevention · US disease geography and public health guidance; tick species and disease risks are regional.
- About Water Treatment Options When Hiking, Camping, or TravelingU.S. Centers for Disease Control and Prevention · Use current local drinking-water alerts. Chemicals and toxins may require a different source; treatment is not universal.
- Topographic MappingU.S. Geological Survey · USGS describes its own mapping products; symbol conventions and maps vary by country.
- Topographic Map SymbolsU.S. Geological Survey · Use the legend printed on the actual map; symbol conventions are not universal.
- Hiking for Beginners: Getting StartedREI Expert Advice · Retailer advice; product categories are illustrative, not endorsements, and recommendations are checked against public sources where possible.
- Backpacking Tips for Beginners: Getting StartedREI Expert Advice · Retailer content and examples; no purchase requirement or product endorsement is intended.
- Backpacking Clothes: What to WearREI Expert Advice · Retailer advice; clothing needs vary by climate, activity, and the individual.
- How to Choose a Backpack: Sizing & Fit GuideREI Expert Advice · Retailer advice; brands and sizes vary. Readers should test fit rather than rely on a single measurement.
- How to Pack a Backpack for Backpacking & HikingREI Expert Advice · Retailer advice; organize gear to fit the pack, trip, and user's needs.
- Hiking Essentials Checklist: What to Bring on a HikeREI Expert Advice · Retailer checklist; adapt the list to actual conditions and official destination guidance.
- Camping for BeginnersREI Expert Advice · Retailer advice; products and techniques are examples, not endorsements.
- Sleeping Pad Buying Guide: Types, R-Value & TipsREI Expert Advice · Retailer guide and test data; explain the limits of comparisons and do not promise personal comfort from a rating.
- Sleeping Bag Temperature Ratings GuideREI Expert Advice · Retailer explanation; consult the product's current test standard and consider the whole sleep system.
- How to Clean, Waterproof & Care for a TentREI Expert Advice · Retailer advice; follow the actual manufacturer's care instructions first.
- Camping Essentials ChecklistREI Expert Advice · Retailer checklist; it is not a universal requirement or buying list.
- How to Clean and Store Camping and Hiking GearREI Expert Advice · Retailer advice; manufacturer's instructions take precedence.
- When a Safe Building or Vehicle is NearbyU.S. National Weather Service · Read the source in its stated context; examples do not establish worldwide local requirements.
- Reactor Stove System InstructionsMSR / Cascade Designs · Read the source in its stated context; examples do not establish worldwide local requirements.
- Portable Heaters & Camping EquipmentU.S. Consumer Product Safety Commission · Read the source in its stated context; examples do not establish worldwide local requirements.
- US Topo Cartographic Specifications - Map Symbol GuideU.S. Geological Survey · Read the source in its stated context; examples do not establish worldwide local requirements.
- How to Choose Hiking Boots and Hiking ShoesREI Expert Advice · Read the source in its stated context; examples do not establish worldwide local requirements.
Image credits
- Milky Way rises over Cascade-Siskiyou National Monument (53303524298).jpg
Photo by BLM Oregon & Washington · Original photo · Licensed under CC BY 2.0 · Resized and converted to WebP by FIELDLIGHT.