CalTopo vs Summit & Back Again

New on CalTopo: the CalTopo app is now satellite ready, allowing you to use many features of the app offline with satellite data! Take the best mapping app with you wherever you go with the CalTopo app for iOS. Trusted by professional mountain guides, avalanche educators, and search and rescue teams, CalTopo has all the features you need to plan your next off-grid pursuit. Seamless integration between CalTopo online and your mobile device allows you to access and update your maps no matter where you are. Any changes you make will automatically sync across all devices, making exporting and importing your latest map a thing of the past. The CalTopo app allows you to easily take your planning and navigation to the next level. Real time decision making in backcountry terrain is made easy with the ability to download maps and layers like slope angle shading to your device for offline use. Plan for conditions on your route with sun exposure, wind, precipitation and avalanche forecasts. View and track your location on the map using GPS, even if you are offline. Share maps with your teams or travel partners to plan collaboratively, and to ensure everyone has the necessary data. Monitor real time updates from the field, like your friends progress on a long outing with live tracking on shared maps. Plan and navigate your next adventure with the CalTopo App today! Map layers include: • MapBuilder Topo, Hybrid and Overlay • Forest Service Maps • Scanned Topos • Global Imagery • Shaded Relief • Slope Angle Shading (including high resolution elevation data where available) • Parcel data • Public Lands • Weekly Satellite Imagery • NAIP Satellite Imagery • Sun Exposure • Marine Charts • Weather Forecasting (including wind, precipitation, and temperatures) • Snow and Water Gauge Data • Fire History/Activity • And many more Support and Feature Requests: Email us at help@caltopo.com.

Summit & Back Again is a hiking and peak-bagging companion built for Southern California's mountains — and for hikers who want to own their adventures, not rent them. No account. No cloud. No ads. Everything lives on your phone. CHASE THE PEAKS Track all 29 of Southern California's 10,000-foot summits and the SoCal Six-Pack of Peaks challenge. Summits are detected automatically when you reach the top — no button to press, no signal required. RECORD EVERY HIKE Start a recording, lock your phone, and hike. GPS tracking captures your route, distance, and accurate elevation gain and loss, even deep in the backcountry with no cell service. BRING YOUR HISTORY WITH YOU Switching from AllTrails or Strava? Import your entire hiking history from a GPX export — routes, summits, elevation, and photos, all matched to the right hike and pinned on the map. Years of adventures, finally in one place you control. SEE WHERE YOU STOOD Topographic and trail map layers, satellite imagery, your recorded routes drawn on the map, and your photos pinned exactly where you took them. EARN IT Unlock achievements as you climb — summit milestones, elevation goals, your first fourteener. Track your totals, your progress, and every peak you've bagged. MADE FOR THE MOUNTAINS - Automatic summit detection within your reach of the peak - Accurate elevation gain and loss, filtered for GPS noise - Weather forecasts for every summit - Trail conditions: snow, ice, and water notes - Full-resolution photos on every hike - Share beautiful summit cards and export GPX - Search and filter years of hikes in seconds - Add your own custom peaks and trails Your data stays yours. No login, no subscription to just use the app, no selling your location to anyone. Summit & Back Again is a quiet, private place to log the mountains you love. Built by a SoCal peak-bagger. See you on the summit.