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Sebago Trails Paddling Company

Royal River near Raymond, ME

Stream23.7 mi
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Around here

Around Royal River

Pumgustuck8.9 mi2 mi

Source: USGS GNIS · Public land: USGS PAD-US

About this river

Royal River is a 23.7 mile stream near Sebago Trails Paddling Company in Maine. Streamflow is measured at the USGS gauge Royal River at Yarmouth, Maine (site 01060000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1950 to 2026

Royal River typically runs highest in April, at a median 523 cfs, and lowest in September, at 46 cfs. The highest flow on record for any single day is 9,980 cfs, in 1977.

Show the numbers
Typical flow by month at Royal River at Yarmouth, Maine, in cfs
MonthTypical (cfs)Usual range (cfs)
January12083 to 212
February12987 to 214
March280164 to 611
April523329 to 879
May199144 to 354
June9768 to 160
July6246 to 93
August5136 to 70
September4636 to 65
October5845 to 114
November16484 to 313
December17698 to 322

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 62 years of record. Statistics published by the US Geological Survey for Royal River at Yarmouth, Maine (site 01060000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

4 mapped launches sit in the mapped area of Royal River. Ramp data comes from the USGS national boat-ramp inventory.

  • Yankee MarinaRoyal RiverRestricted
  • Royal River BoatyardRoyal RiverRestricted
  • Yarmouth BoatyardRoyal RiverRestricted
  • YarmouthRoyal RiverPublic

Made to print

Put Royal River on your wall

This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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