Bikepacking route planning: water, resupply and daylight
The Moveee team
Free coaching · a real route for every ride
Bikepacking route planning goes wrong in the same four places nearly every time: the daily distance is too ambitious for a loaded bike, the water runs out between refills, the light runs out before the campsite, and one innocuous-looking dashed line on the map turns out to be unrideable.
None of these are fitness problems. They're planning problems, and they're all solvable at a desk. What follows is the arithmetic — realistic daily distances, how far apart your water can be, how much daylight you actually have, and how to leave yourself a way out.
Daily distance, with luggage
The first honest conversation is about speed. A loaded bike on mixed surfaces is not your road bike. Bags add weight and a great deal of aerodynamic drag, the surfaces are slower, and — crucially — your moving average is not what determines your day. Stops do: filtering water, fixing things, eating, navigating, photographing, the shop that's 10 minutes off route.
A useful planning rule is to work in hours, not kilometres. Decide how many hours you're willing to be on the move, apply a realistic surface-adjusted speed, then subtract a third of the day for stopping. A rider who comfortably averages 25 km/h unloaded on tarmac is often making 14–17 km/h of actual progress on a loaded gravel day, all stops included.
Whatever your normal loaded touring speed is. Everything below is slower than this.
Compacted forest road, dry. Comfortable, predictable, still fast enough to make distance.
Deep gravel, ruts, loose climbs. Loaded bikes handle badly here and you will push some of it.
A dashed green line on a map can be a fast track or two hours of carrying. Never route a whole day through these.
These are experience-based adjustments rather than measured constants — the exact penalty depends on your tyres, your load and the surface on the day. The direction, though, is never in doubt: it is always slower than the map suggests.
The daylight budget
Daylight is the hardest constraint on a multi-day route, and the one people plan last. It's also completely knowable in advance: sunrise, sunset and twilight for any coordinate and date come straight from a solar calculator, and they change fast in spring and autumn — roughly three minutes a day at mid latitudes.
Approximate daylight at about 46°N (central Europe); it differs substantially further north or south, so check your own latitude and dates. The right-hand column is a sane riding window — daylight minus a margin for camp setup, a long lunch and the inevitable overrun. Civil twilight adds roughly half an hour of usable light at each end.
- Finish before dark, not at dark. Pitching a tent, filtering water and cooking in the dark costs an hour of patience you won't have.
- Sunset is earlier in a valley. Steep terrain can take 45 minutes off usable light, and the temperature falls with it.
- Carry lights anyway. Even on a route you're certain will finish at four in the afternoon.
- Autumn trips need shorter days. A 130 km September day and a 130 km June day are not the same trip.
Fluid needs vary enormously between riders and conditions — sweat rates measured in endurance athletes commonly exceed a litre an hour and vary several-fold between individuals. Both dehydration and drinking large volumes of plain water without sodium over many hours carry real risk. Treat the volumes below as planning figures to test in training. For treating water from natural sources, follow public-health guidance rather than improvising: boiling, or filtering then disinfecting, are the methods with evidence behind them.
Water: carry, spacing and treatment
Water is the heaviest thing you carry and the one thing you cannot ration your way out of. The planning question is not "how much water do I need" but "how far apart are my refills, and what's the worst-case gap?"
Two bottles plus a frame or fork bottle. Enough for roughly 2–4 hours of riding in mild weather — much less in real heat.
A known refill roughly every 40 km on gravel means you're never rationing. Stretch it only when you've confirmed the far end exists.
Cooking, drinking overnight and coffee before you move. Fill at the last reliable source, not at the campsite you hope has a tap.
- Mark every source, then downgrade half of them. Streams dry up, fountains get capped, shops close for a national holiday you didn't know about. Plan around the sources that are structurally reliable: municipal taps, cemeteries, petrol stations, staffed huts.
- Carry a treatment method you'd actually use. Filtering then chemically disinfecting covers the widest range of pathogens; boiling covers everything but costs fuel and time.
- Put sodium in at least some of it. Over multi-hour days in heat, sodium replacement matters — plain water alone in very large volumes is the mechanism behind exercise-associated hyponatremia.
- Refill when you can, not when you must. The rule that keeps people out of trouble: never ride past a good source below two-thirds full.
Surfaces you can't see from the map
The single biggest source of ruined bikepacking days is a route drawn through tracks whose real condition nobody checked. Map data is contributed by people, and its quality is uneven — completeness and attribute accuracy vary a great deal by region, so a track tagged as a track tells you very little about whether a loaded bike can ride it.
- Cross-check with satellite imagery. A two-minute look tells you whether the line is a forestry road or a footpath through scrub.
- Look for other riders' traces. If nobody has ridden a 12 km section that connects two obvious valleys, there is usually a reason.
- Never chain unknowns. One speculative section per day is an adventure. Three in a row is a walk.
- Check the gradient of the unknowns. Loose surface plus 15% is pushing, loaded, regardless of your fitness.
Drawing the route in a tool that shows the surface breakdown as you go removes most of the guesswork: Moveee's Route builder gives you a paved-versus-unpaved split and the elevation profile as you draw, and exports GPX for your head unit. Our guide to gravel versus road surfaces covers what those surface labels mean in practice.
Bail-outs are part of the plan
A route without exits is a route that commits you to your most optimistic assumptions. Good multi-day plans have an escape roughly every half day, and knowing they exist changes how the whole trip feels.
- A road that crosses your route. Every 30–40 km, know where the nearest sealed road and settlement are. Not for emergencies alone — for weather, mechanicals and morale.
- A shortened version of the day. Plan the 90 km day with a 60 km exit. Deciding at lunchtime is far easier than deciding at dusk.
- A train, bus or lift. Rural stations, even infrequent ones, turn a failed day into an inconvenience. Note the last departure before you set off.
- A place to stop early. Knowing where you could camp or sleep 20 km short removes most of the pressure from a bad afternoon.
Sleep spots first, then water, then daylight, then the riding. Most people do it backwards — draw a beautiful line, then discover the only campsite is 30 km past the last tap and the sun sets at seven. Fix the fixed points, and let the route bend around them. A separate guide covers planning a cycling trip more generally; this one is about the parts that only bite when you're carrying everything.
A sane first multi-day route
- Three days, not seven. You'll learn what your real daily distance is, and it's cheaper to learn it close to home.
- 70–90 km per day on mixed surfaces, with under 1,200 m of climbing, is a genuinely pleasant first attempt for a fit road rider.
- One night in a campsite with a tap and a shower. Wild camping every night is a different skill stacked on top of a new one.
- Ride the loaded bike twice before you go. Handling, braking distance and the reach to your bottles all change.
Done properly, the planning isn't overhead — it's most of what makes a bikepacking trip feel calm rather than frantic. You know where the water is, you know when it gets dark, and you know how to get home if the day goes wrong.
Sources 7
Where this article summarises a study, the study itself is linked — not a write-up of it.
- 1 Sawka MN, Burke LM, Eichner ER, Maughan RJ, Montain SJ, Stachenfeld NS American College of Sports Medicine position stand: exercise and fluid replacement · Medicine & Science in Sports & Exercise · 2007
- 2 EFSA Panel on Dietetic Products, Nutrition and Allergies Scientific opinion on dietary reference values for water · EFSA Journal · 2010
- 3 Barnes KA, et al. Normative data for sweating rate, sweat sodium concentration, and sweat sodium loss in athletes: an update and analysis by sport · Journal of Sports Sciences · 2019
- 4 Hew-Butler T, et al. Statement of the Third International Exercise-Associated Hyponatremia Consensus Development Conference, Carlsbad, California, 2015 · Clinical Journal of Sport Medicine · 2015
- 5 Centers for Disease Control and Prevention About water treatment options when hiking, camping, or traveling · CDC Drinking Water · 2024
- 6 NOAA Global Monitoring Laboratory Solar calculator: sunrise, sunset and solar position for any location · National Oceanic and Atmospheric Administration · 2024
- 7 Haklay M How good is volunteered geographical information? A comparative study of OpenStreetMap and Ordnance Survey datasets · Environment and Planning B: Planning and Design · 2010
Build a route that is actually worth riding
The Route Engine works from real surface and elevation data and favours quiet roads, so it finds the lanes a fastest-way-there app routes you straight past. Give it a distance and a direction and it does the rest.
Build a routeKeep reading
Winter route design: ice, shade and the roads that thaw first
In January the north-facing lane stays frozen until lunchtime and the valley bottom is colder than the hill above it. Designing routes around aspect, cold-air drainage, gritting priority and the hours of daylight you actually have.
How to read the wind forecast for cycling (and stop riding into it both ways)
Wind costs a cyclist more than rain ever will, and the weather app's little arrow doesn't tell you what it'll do to your loop. Why headwinds punish you harder than tailwinds repay you, which way to ride your route, what 20 vs 40 km/h actually feels like, and how to plan around gusts before you clip in.
Choosing safer roads: what the crash data says about route planning
Riders fear being hit from behind; the collision statistics are dominated by junctions and turning vehicles. What the research says about where risk actually concentrates, and how to turn that into a route-planning habit rather than a worry.
Train, ferry, ride: building routes you can't do as a loop
A train leg turns a loop you have ridden forty times into a one-way descent through a valley you have never seen. Planning around timetables and bike reservations, the tailwind you can now guarantee, and what to do when you miss the connection.
How to plan a 200 km ride (and finish it)
Two hundred kilometres is a fuelling and pacing problem long before it's a fitness one. Target intensity, carbohydrate per hour over eight hours, where to put the climbs, and where to plan the resupply.
How to plan a cycling trip: turning a bucket-list route into a day-by-day itinerary
Dreaming of the Alps or a week of gravel? Here's how to turn a bucket-list idea into a real day-by-day cycling trip — distances, climbs, stays, food and rough costs.
7 rules for building the perfect cycling route (climbs, surfaces, wind and coffee stops)
A great ride is designed, not stumbled upon. These seven rules — from riding into the wind first to matching climbs to your goal — turn any loop into a route you'll want to do again.
Tenerife: training on the volcano in winter
Sea level to 2,300 m on one road, three climates on one island, and a week that leaves you fitter rather than wrecked. Roads from the park authority, weather from AEMET.
Loop, out and back, or point to point?
Most riders default to one route shape without deciding to. The shape changes what a ride is good for — and for windy days and interval sessions, the usual favourite is clearly the wrong choice.
Slovenian gravel: Kočevje forests and the roads with no cars
Ninety-one percent forest, a formerly closed military zone and the Kolpa–Rog route: how to ride Kočevsko's forest roads, what the rules are, and what to do about the bears
Planning gravel routes: reading the surface data
The difference between a superb gravel loop and four hours of pushing is usually a few hundred metres of surface nobody recorded. What the OpenStreetMap surface tags actually mean, which one is a coin toss, and the four checks before you commit.
Training young riders: the principles worth holding
The area of cycling where confident advice does the most damage. Three broad stages, four things to get right, and why the only goal that matters is whether they still want to ride at 25.