Staying Home Sucks, home

Bjørvassåi, Lonin - Fosso

Kayak spot · Norway

Whitewater: a river with rapids

Is it worth the trip?

46Fair out of 100 for your dates

Stay home

Best on Wed 4: Wind 3 kn gusting 10, Air 7 °C, River levels: no free forecast gives them, so check a gauge before you go

Each day of your trip, out of 100

Wed 4 · 51 out of 100

Wind
3 kn
Gusts
10kn
Air
7°C
Rain
0 mm

Thu 5 · 48 out of 100

Wind
2 kn
Gusts
7kn
Air
5°C
Rain
0 mm

Fri 6 · 44 out of 100

Wind
2 kn
Gusts
7kn
Air
4°C
Rain
0 mm

Sat 7 · 45 out of 100

Wind
1 kn
Gusts
8kn
Air
4°C
Rain
0 mm

Sun 8 · 41 out of 100

Wind
2 kn
Gusts
7kn
Air
1°C
Rain
0 mm

Mon 9 · 40 out of 100

Wind
1 kn
Gusts
5kn
Air
0°C
Rain
0.6 mm

Tue 10 · 41 out of 100

Wind
4 kn
Gusts
15kn
Air
1°C
Rain
0 mm

Tap a day for wind, gusts, air and rain. Full forecast

Forecast: next 10 days

Full forecast
  1. Tue 350, fair
  2. Wed 451, fair
  3. Thu 548, fair
  4. Fri 644, poor
  5. Sat 745, fair
  6. Sun 841, poor
  7. Mon 940, poor
  8. Tue 1041, poor
  9. Wed 1141, poor
  10. Thu 1240, poor

The spot in three facts

  • Grade IVits hardest rapid V
  • Moving waterthe water
  • Best Jul–Aug7 good days in 7

Full forecast

every day, every number
Wind and weather forecast and score for each day at Bjørvassåi, Lonin - Fosso
DayScoreWindGustsAirRain
Tue 3Nov50, fair2 kn7kn7°C0 mm
Wed 4Nov51, fair3 kn10kn7°C0 mm
Thu 5Nov48, fair2 kn7kn5°C0 mm
Fri 6Nov44, poor2 kn7kn4°C0 mm
Sat 7Nov45, fair1 kn8kn4°C0 mm
Sun 8Nov41, poor2 kn7kn1°C0 mm
Mon 9Nov40, poor1 kn5kn0°C0.6 mm
Tue 10Nov41, poor4 kn15kn1°C0 mm
Wed 11Nov41, poor3 kn11kn1°C0 mm
Thu 12Nov40, poor5 kn17kn-1°C0 mm

Wind and gusts are in knots, rain in mm. River levels: no free forecast gives them, so check a gauge before you go. More

Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.

Best time to go

best Jul–Aug

Good kayaking days in a typical week, each month, for expert paddlers, from 2016 on (ERA5 history scored the same way).

  1. Jan0of 7: a trip from Sat 2 Jan
  2. Feb0of 7: a trip from Sat 6 Feb
  3. Mar0of 7: a trip from Sat 6 Mar
  4. Apr1of 7: a trip from Sat 3 Apr
  5. May5of 7: a trip from Sat 1 May
  6. Jun6of 7: a trip from Sat 5 Jun
  7. Jul7of 7: a trip from Sat 3 Jul
  8. Aug7of 7: a trip from Sat 7 Aug
  9. Sep5of 7: a trip from Sat 4 Sept
  10. Oct1of 7: a trip from Sat 2 Oct
  11. Nov0of 7: a trip from Wed 4 Nov
  12. Dec0of 7: a trip from Sat 5 Dec

Tap a month to see this spot for a trip then.

Typical weather, not a forecast, and not the river's level: a month that is often good to be outside may still be low water.

Map

put-in, take-out, its town

Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.

The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.

One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.

More kayaking near here

1 place

About

the place in full, sources, credits

About Bjørvassåi, Lonin - Fosso

A river section on the Bjørvassåi, from a put-in down to a take-out. Grade IV, its hardest rapid V, on the international scale. Suits expert paddlers only, by its grade. No paddling school, club or hire within 50 km on the map. For expert paddlers the best months are usually July and August, with about 7 good days in 7. From the weather of past years. The town to stay in is Rjukan.

  • River Bjørvassåi
  • Grade Grade IV, its hardest rapid V, on the international scale.
  • Who it suits Suits expert paddlers only, by its grade.
  • Access No source states the access rules: check locally.
  • Schools, hire No paddling school, club or hire within 50 km on the map.

Spots and rivers: © OpenStreetMap contributors (ODbL). Whitewater sections © Rivermap (rivermap.org), Riverzone and Jonathan Riddell, ODbL.

The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).

Rough cost (estimate): about US$1,680–US$3,090 each

about US$1,680–US$3,090 each · 6 nights, 2 sharing: flights, hire car, stay, food, kayak hire.

Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.

How we worked it out 
Rough cost per person for this trip
WhatHow we worked it outEach
Flightsreturn ORD to OSL, estimated from distance and season, changing at JFK, full-service airlines, with a hold bagabout US$456–US$946
Hire car6 days, sharedabout US$215–US$356
Stay6 nights, a mid-range double, sharedabout US$396–US$658
Food7 days eating outabout US$382–US$711
Kayak hire5 days, or about US$114 to fly your ownabout US$228–US$416
Totalabout US$1,680–US$3,090

Prices from public sources, checked in 2026.

Where to stay: Rjukan

Ad Links marked Ad may pay us if you book. You pay the same, and they never change a score. How we earn

Closest

Rjukan

about 40 min by car · 1 place to stay

about US$148/nightcountry average

See 1 place to stay in Rjukan · Booking.com

About Rjukan its beds, food and every spot near it

About US$148 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.

Getting there: about 19h

About 19h door to door from Chicago

Fly ORD → OSL, changing at John F. Kennedy International Airport (JFK), then 2h 20m by road

An estimate, one way; the journey never changes the score.

On the water

River level

River levels: no free forecast gives them, so check a gauge before you go.

Paddling schools, clubs and hire nearby

No paddling school, club or hire mapped within 50 km.

Schools, clubs and hire: © OpenStreetMap contributors (ODbL). Credits

Saved: this link opens the same trip

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The link holds the trip itself: nothing about you is kept. Check the forecast again before you book.