Product Requirements Document

Vision

Build the best planning and riding tool for self-supported bikepacking trips.

Core promise

Plan a rideable, legal, enjoyable, and logistically safe route for a loaded bike over multiple days, including sleep, water, food, repair, local rules, weather, and bailout options.

Non-goals for MVP

Do not build a social network first.
Do not build full turn-by-turn voice navigation first.
Do not build a complete global legal camping database first.
Do not depend on one commercial booking/routing API.
Do not attempt global correctness for local rules. Use confidence levels.

Functional requirements

Trip planning

Users can create a trip with:

start/end locations or imported GPX,
start date and optional end date,
bike type,
load level,
rider fitness preference,
daily target distance range,
daily target climbing range,
maximum loaded-bike grade,
preferred surface mix,
sleep preference,
water interval limit,
resupply interval limit,
bailout preference.

Bikepacking routing

The planner returns:

route geometry,
elevation profile,
distance and climb,
surface breakdown,
traffic/access confidence,
steep segment warnings,
long no-water/no-food warnings,
possible hike-a-bike warnings,
stage suggestions.

Multi-day staging

The app divides the route into daily stages based on:

daily distance/climb targets,
daylight window,
sleep options,
food/water availability,
bailout access,
weather risk if available,
user preference for indoor/outdoor nights.

Each stage has:

distance,
ascent/descent,
expected riding time range,
surface mix,
sleep candidates,
food/water critical points,
warnings,
Plan A and Plan B endpoint.

Route-corridor logistics

The app supports corridor queries around the route:

water,
supermarkets,
bakeries,
cafés/restaurants,
gas stations,
campsites,
shelters,
huts,
hostels/hotels,
Warmshowers-style hosts via partnership/deep link if available,
bike shops,
repair stations,
train/bus/ferry bailout.

Offline

Offline packs should include:

route geometry,
map tiles/vector map region,
route-corridor POIs,
stage plan,
elevation profile,
rule cards,
emergency/bailout points,
saved notes,
exports.

Community/local intelligence

Users can report:

water available/unavailable,
surface mismatch,
locked gate,
access restriction,
dangerous dogs,
mud/sand/washout,
bridge/ferry closure,
good/bad sleep option,
bike shop availability,
reroute recommendation.

Reports must be dated, location-bound, typed, confidence-scored, and expire unless reconfirmed.

Non-functional requirements

Offline-first for riding-critical functions.
Clear attribution for OSM-derived data.
Explicit uncertainty indicators for legal/safety information.
Fast route-corridor search.
Provider abstraction to avoid lock-in.
Export support for GPX first, then TCX/FIT.
Privacy-conscious location handling.

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