Belknap's Grand Canyon River Guide
Grand Canyon Rapids Guide & Difficulty Ratings
Every rated rapid on the Colorado River from Lees Ferry to Pearce Ferry — with difficulty rating and actual drop in feet, mile by mile.
105
Rated rapids
295
River miles
30'
Biggest drop
2
Class 10 rapids
How Grand Canyon rapids are rated
Grand Canyon rapids use a 1–10 difficulty scale, not the standard Class I–VI scale used on most rivers. The expanded scale allows greater distinction among the canyon's most demanding rapids. A Grand Canyon rating of 10 roughly corresponds to Class V on a standard scale.
Belknap's Grand Canyon River Guide is the only river map that publishes both a difficulty rating and the actual drop in feet for every significant rapid. Drop footage tells you what the water is actually doing — a long Class 7 with a 9-foot drop is a very different run than a short Class 7 with an 18-foot drop.
Only in Belknap's: every significant rapid includes both a 1–10 difficulty rating and actual drop in feet — e.g., Hance Rapid (8–9) Drop 30'. No other Grand Canyon river guide publishes this level of rapid detail.
1–3
EasyMinor waves, straightforward
4–6
ModerateRequires navigation and skill
7–8
DifficultMajor rapids, scout recommended
9–10
ExpertExtreme — Crystal & Lava Falls
The big six: Class 8–10 rapids
These are the rapids every Grand Canyon boater plans around. Ratings and drop footage from Belknap's Grand Canyon River Guide.
Lava Falls (Vulcan)
Crystal Rapid
Hance Rapid
Horn Creek Rapid
Granite Rapid
Hermit Rapid
Get every rapid detail on the water
Belknap's Grand Canyon River Guide — 47 waterproof USGS topo maps with difficulty ratings and drop footage for every significant rapid. The only guide that publishes both.
Get the Guide →Complete Grand Canyon rapids list
105 rapids in river mile order, Lees Ferry to Pearce Ferry. Ratings and drop footage from Belknap's Grand Canyon River Guide.
| Mile | Rapid name | Rating (1–10) | Drop |
|---|
Get every rapid detail on the water
Belknap's Grand Canyon River Guide — 47 waterproof USGS topo maps with difficulty ratings and drop footage for every significant rapid.
Get the Guide →Grand Canyon rapids: common questions
What is the hardest rapid in the Grand Canyon?
Lava Falls (also called Vulcan Rapid, Mile 179.4) and Crystal Rapid (Mile 98.3) are both rated 10 on the Grand Canyon 1–10 scale, the highest possible rating. Lava Falls drops 13 feet and is considered by many boaters to be the most consequential rapid on the Colorado River. Crystal drops 17 feet and was significantly altered by a 1966 flash flood that changed its character entirely.
What rapid has the biggest drop in the Grand Canyon?
Hance Rapid (Mile 76.7) has the single largest drop in the canyon at 30 feet, despite being rated 8–9 rather than 10. The long, complex nature of Hance, with its rocky approach and technical line, makes it one of the most studied rapids on the river. The 30-foot drop is spread across a longer run than the more concentrated power of Lava Falls.
How does the Grand Canyon rating scale differ from standard whitewater ratings?
Most rivers use a Class I–VI scale, where Class VI is considered unrunnable. The Grand Canyon uses a 1–10 scale to give more granularity among the canyon's most challenging rapids. A Grand Canyon rating of 10 (Lava Falls, Crystal) roughly corresponds to Class V on the standard scale. The expanded scale helps boaters and guides plan more precisely for the wide range of difficulty found across 295 miles of river.
How many rapids are in the Grand Canyon?
Belknap's Grand Canyon River Guide documents 105 rated rapids between Lees Ferry and Pearce Ferry, 74 of which include measured drop footage. The Colorado River through the Grand Canyon drops roughly 2,000 feet in elevation over that 295-mile stretch, with most of that elevation loss concentrated in the major rapids rather than gradual gradient.
What river guide has the most detailed Grand Canyon rapids information?
Belknap's Grand Canyon River Guide is the only guide that publishes both a 1–10 difficulty rating and actual drop in feet for every significant rapid. This combination, for example Sockdolager Rapid: 7–9, Drop 19', gives boaters information no other published guide provides. The guide covers all 295 miles from Glen Canyon Dam to Pearce Ferry across 47 full-color USGS topo maps, updated annually.