White Mtn Hiker Pemi 4+

Offline hiking NH White Mtns

Richard Allmendinger

Designed for iPad

    • Free

Screenshots

Description

The White Mountain Hiker (WMH) apps are the ones I wrote for my own hiking. The apps to prioritize 2 things of interest to serious hikers: offline access to data about their hike and privacy. WMH Pemi spans from Franconia Notch to Crawford Notch and from the north end of the Pemigewasset Wilderness to the northern tip of the NH Lakes Region. The apps come with:

• Two different base maps, each with 40 ft contours and a maximum resolution of 2 meters per pixel (zoom level 16). A simple gray shaded relief map that emphasizes topography whereas a full color base map emphasizes ledges, gullies, etc.

• A 10 m resolution, on-board digital elevation model (DEM) which enables the user to get the elevation at any point, draw topographic profiles along any path, calculate true slope distance and not just map distance. No internet connection needed for topo or maps.

• Digitized trails for the entire region from the U.S. Forest Service (with 5 m point spacing) and NH Granit public databases. Toggle on or off different types, make calculations, plot topo profiles along the trails, change the colors of different trail types to suite your liking.

• A builtin database of many hundreds of geographic points, summits, huts and shelters, natural features of interest, and other points of interest (POIs). All major summits have been located using the highest elevation in the DEM.

• Custom hikes can combine segments of several different existing trails and you still get all the data on slope, elevation gain, etc. that you could want.

• Record GPS tracks, or freehand draw paths to record your favorite bushwhack. Topo profiles can be plotted along these paths so you can see what you are getting yourself into (or already did). Share these off-trail excursions as .GPX files with other users.

• An innovative rangefinder uses the builtin DEM along with the device compass and accelerometers to give you the distance and bearing to a feature simple by pointing the device camera at it. The accuracy of this feature is subject to the accuracy of the device magnetometer, which is easily affected by magnetic fields.

• Set your own POIs and attach photos to them or take new photos without leaving the app. Photos can be annotated. User POIs can be emailed to anyone the user likes. Do not rely on this as a safety feature as it only works when you have a cellular data connection and there are many parts of the White Mountains without reliable cell service!

• Weather forecasts from the National Weather Service (NWS) — with hourly conditions for the next seven days — for any POI. Want to see how hard the wind is blowing on top of Mt. Washington? Sure! This feature requires an internet connection.

• Weather radar base and composite reflectivity from the NWS can be overlaid right on the base map so you can see where inclement weather lies with respect to your hike. This feature requires an internet connection but your location is not sent to the NWS server.

• A builtin Apple Maps screen displays all of the trails and POIs on a satellite, hybrid, or road map.

• Your privacy is respected: your location is never sent to any advertising agency, the programmer, or anyone else (unless you choose the email or message your location). The app is not ad-supported, does not collect any personal data, and can be used without ever connecting to the internet (except for the weather functions).

• Some things that the app does NOT have: (a) builtin trail descriptions (although you can tap a button in the trail details screen to launch your device browser to search the internet for information about the trail). (b) Social networking. You cannot connect or post to your favorite social networking sites from within the app. There are plenty of fine apps that will let you do this (and harvest your location at the same time!). (c) Automatic calculation of your ETA at a POI, the end of the trail, etc.

What’s New

Version 2.0.0

V. 2.0 -- 31 March 2023

• New color base map is somewhat less garnish green and is lighter overall giving better visibility of the overlying trails and points of interest.

• The online satellite map view is more functional now showing exactly the same information as the base maps. You can measure distances, draw paths, sketch on the image, etc. Be aware, however, that the online map usage will download imagery over your cellular data connection when outside of wireless range and you may incur download charges.

• Bug fixes and interface tweaks.

App Privacy

The developer, Richard Allmendinger, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary based on, for example, the features you use or your age. Learn More

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