New Whole Earth Reference Library · Wayfinding

Description: A free community database of over 200,000 mountain summits worldwide, with peak lists, trip reports, GPS tracks, and tools for logging ascents and tracking climbing history.

Why it matters: For anyone navigating mountain terrain, knowing what peaks are in a range — their elevations, prominence, and routes — is foundational. Peakbagger aggregates that information in one place, contributed and verified by a community of climbers.

Strengths: World’s largest collection of peak lists; detailed summit data and trip reports for obscure peaks not found in guidebooks.

Limitations: Primarily useful for peak-focused navigation; not a general-purpose trail or route tool.

Link: peakbagger.com

Cost: Free

Note: Essential for anyone navigating mountain terrain — especially peaks that never make it into guidebooks.

Search the Reference Library on Notion
New resources are added regularly. If this library is useful to you, consider a paid subscription. It helps us keep building it—more tools, more resources, and more practical knowledge each week.

Subscribe now

Help us build the library! If you know a resource that belongs in the Reference Library, send it along in the comments.

• Name
• What it does
• Why you recommend it
• Link

Thanks!

New Whole Earth Reference Library · Wayfinding

Description: A global community platform where outdoor enthusiasts share GPS-recorded routes for hiking, cycling, running, and over 80 other activities. Includes more than 76 million trails contributed by nearly 20 million users worldwide.

Why it matters: Local knowledge is often the most useful kind. Wikiloc aggregates route data and photos from people who have actually walked, biked, or paddled the terrain — making it useful even in places where official trail maps don’t exist.

Strengths: Enormous global coverage; real user photos and track ratings help assess route quality before you go.

Limitations: Following routes requires a premium subscription; data quality varies by region.

Link: wikiloc.com

Cost: Free & Paid

Note: The crowd-sourced trail database that comes closest to having someone local show you the way.

Search the Reference Library on Notion
New resources are added regularly. If this library is useful to you, consider a paid subscription. It helps us keep building it—more tools, more resources, and more practical knowledge each week.

Subscribe now

Help us build the library! If you know a resource that belongs in the Reference Library, send it along in the comments.

• Name
• What it does
• Why you recommend it
• Link

Thanks!

New Whole Earth Reference Library · Wayfinding

Description: A free tool from the U.S. Geological Survey giving access to over 180,000 historical and current topographic maps of the United States, downloadable in multiple formats including GeoPDF, GeoTIFF, and JPEG.

Why it matters: USGS topo maps have been the gold standard for navigating American terrain since the 1880s. TopoView puts that entire archive — from 1884 to the present — online and free.

Strengths: Authoritative, comprehensive, and completely free; historical maps are especially useful for understanding how land has changed over time.

Limitations: Static downloads, not live navigation tools; historical maps may not reflect current trail conditions.

Link: https://ngmdb.usgs.gov/topoview/

Cost: Free

Note: The definitive archive of American topographic maps. Worth downloading before any trip into unfamiliar terrain.

Search the Reference Library on Notion
New resources are added regularly. If this library is useful to you, consider a paid subscription. It helps us keep building it—more tools, more resources, and more practical knowledge each week.

Subscribe now

Help us build the library! If you know a resource that belongs in the Reference Library, send it along in the comments.

• Name
• What it does
• Why you recommend it
• Link

Thanks!

New Whole Earth Reference Library · Wayfinding

Description: A free, open-source mobile maps app for hiking, cycling, driving, and walking — built on OpenStreetMap data and designed to work entirely offline. No ads, no tracking, no data collection.

Why it matters: Most navigation apps require a data connection and collect user data. Organic Maps works without either — useful for remote areas, international travel, and anyone who’d rather not be tracked.

Strengths: Fully offline, open-source, privacy-respecting, and genuinely useful for trail navigation and everyday routing.

Limitations: Less polished than Google Maps for urban driving; relies on OpenStreetMap data, which can be incomplete in rural areas.

Link: organicmaps.app

Cost: Free

Note: A rare thing — a navigation app that works offline, respects your privacy, and doesn’t cost anything.

Search the Reference Library on Notion
New resources are added regularly. If this library is useful to you, consider a paid subscription. It helps us keep building it—more tools, more resources, and more practical knowledge each week.

Subscribe now

Help us build the library! If you know a resource that belongs in the Reference Library, send it along in the comments.

• Name
• What it does
• Why you recommend it
• Link

Thanks!

New Whole Earth Reference Library · Wayfinding

Description: A web-based and mobile topographic mapping platform used by backcountry travelers, mountain guides, and search and rescue teams. Layers include topo maps, slope angle shading, satellite imagery, snow data, and weather overlays.

Why it matters: Most mapping tools are built for road navigation. CalTopo is built for terrain — for people who need to understand what the land actually looks like before they’re in it.

Strengths: Exceptional depth of map layers; trusted by SAR professionals; seamless sync between web and mobile.

Limitations: Free tier is limited; meaningful use requires a paid subscription ($20–$50/year).

Link: caltopo.com

Cost: Free & Paid

Note: If you spend time in the backcountry, this is the tool to learn.

Search the Reference Library on Notion
New resources are added regularly. If this library is useful to you, consider a paid subscription. It helps us keep building it—more tools, more resources, and more practical knowledge each week.

Subscribe now

Help us build the library! If you know a resource that belongs in the Reference Library, send it along in the comments.

• Name
• What it does
• Why you recommend it
• Link

Thanks!