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Logo. 地物 : 激流スポーツ
One example for 地物 : 激流スポーツ


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OpenSeaMap は、カヌー、ラフティングなど激流スポーツのための情報を含みます。この仕事に関するプロジェクトへの参加は、 WikiProject Whitewater Maps を参照してください。

A river is a watercourse that is too wide to jump over it. Rivers are wide enough to be traveled by kayak or canoe. Take a waterproof GPS with (or packed waterproof), tie it firmly, and measure the exact course of the river. Note important points (set a track point, describe it by voice recorder, photo), and draw the map.

All rivers with width more than 5 meters has to be drawn by natural=water+water=river in addition to waterway=river.

If there is a tributary: please connect the two waterways together (not only the riverbanks).

対象 方法 キーと値 記号 備考
river ウェイ waterway=river
+ width=#
+ name=*
+ whitewater:section_name=*
mainwaterline and asociated waterlines
width of river in meter
degree of difficulty
name of whitewater section
water body エリア natural=water+water=river rivers broader than 5m
island エリア multipolygon Role: inner

Make river.png Make river landsat.png


These are subjective in the good sense of the term. See the International Scale.

If you don't know a grade or can't decide set it to "unknown". If you don't know about river practise, don't map it at all.

対象 方法 キーと値 記号 備考
isolated rapid ノード whitewater:rapid_grade=# Grade 1 | 2 | 3 | 4 | 5 | 6
name of rapid ノード whitewater:rapid_name=*
sections ウェイ whitewater:section_grade=# section of waterway=river (split in JOSM by <Strg-p>)
Grade 1 | 2 | 3 | 4 | 5 | 6 (see International Scale)

Each section starts at a whitewater=put_in or whitewater=put_in;egress,
and ends at a whitewater=egress or whitewater=put_in;egress.
the grade of a section is similar to the most difficult rapid in the section (if no portage possible).

name of section ウェイ whitewater:section_name=*

(White water classification follows its own subjectives rules not only described by these pictures, see International Scale)


対象 方法 キーと値 記号 備考
Sluice ノード waterway=lock_gate
Weir ノード waterway=weir Ww weir.png together with whitewater=rapid_grade, or portage
ウェイ waterway=canoe_pass
Single hazard ノード waterway=hazard Ww hazard.png
Restricted section ウェイ section of waterway=river
Restricted Area エリア Nature protection, power station, etc
Blocks ウェイ エリア
Hole ウェイ エリア
Sandbank エリア
Nature reserve エリア natural=reserve
Description ノード whitewater:description=text text of interest to canoeists


対象 方法 キーと値 記号 備考
Put in ノード whitewater=put_in Ww put in.png always next to the riverbank
Egress ノード whitewater=egress Ww egress.png always next to the riverbank
Put in / egress ノード whitewater=put_in;egress Ww put in egress.png always next to the riverbank
How to put in ノード whitewater:put_in;egress=pier
sandy beach
steps (stone, concrete)
Portage ノード

+ Aids
Ww put in.png

Ww egress.png
boat slide, boat carts, etc.
put in
Parking ノード エリア amenity=parking Parking20.png


対象 方法 キーと値 記号 備考
Camp site エリア tourism=camp_site
+ name=*
wild camping permitted エリア tourism=camp_site
+ backcountry=yes
Boat rent エリア shop=canoe_hire
+ name=*
+ building=yes
NPS map symbol canoe access.png
WC ノード amenity=toilets
Shelter ノード amenity=shelter
Fireplace ノード tourism=picnic_site
+ fireplace=yes
Restaurant エリア amenity=restaurant
+ name=*
+ building=yes
+ barbecue_grill=yes

if barbecue available
Accommodation エリア tourism=hostel
+ name=*
+ building=yes
+ a lot of additional informations

A selection of additional values have been used in some areas with the whitewater key (see here for an analysis of values used). One used more than 100 times but not listed above is whitewater=portage_way. The key 'canoe' has been used by a few people (analysis) as has the key 'kayak' (analysis). Several suggestions have been made on the talk page for WikiProject_Whitewater_Maps for ways to ensure that this tagging scheme is compatible with tags of use for non-whitewater paddling, including the use of paddlecraft=put_in;egress (for flat-water or sea locations).

There are some existing/developing useful tagging conventions around access information - see details of: access=* or boat=* or canoe=* at Access, and boat=* at Key:boat and also a proposal at Proposed features/access restrictions 1.5.

There are also some existing/developing conventions about water coverage which may be useful (where, for example, an island may only appear occasionally). See Proposed_features/Water_cover.


Whitewater Map

OpenSeaMap shows a Whitewater-chart. Use the "Sport"-layer in menu "View > Sport" with all rivers worldwide. Kayaks and canoeing tours are displayed by colours, according to their difficulty (starting in zoom level = 9). Put in and egress are marked, also hazards and portages. OpenSeaMap is the follower of the British WhiteWater Map. [1] [2]

For alternative methods of viewing rendered maps please see suggestions on WikiProject Whitewater Maps


Please add the international list of mapped rivers



  1. Forth Canoe Club Open WhiteWater Map was a Mapnik rendering by Jonathan Riddell
  2. WW-Icons by Stella 2008-07-19