Slate - A) Upper: near Arvon quarry to Quartzite Falls (2.5 miles)


Slate, Michigan, US

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A) Upper: near Arvon quarry to Quartzite Falls (2.5 miles)

Usual Difficulty II-III+ (for normal flows)
Avg. Gradient 90 fpm
Max Gradient 126 fpm

Quartzite Falls


Quartzite Falls
Photo of Mike Evanston by Tom O'Keefe taken 04/07/97

Gauge Information

Name Range Difficulty Updated Level
SILVER RIVER NEAR L'ANSE, MI
usgs-04043150 8.58 - 9.85 ft II-III+ 00h43m ~ 6.83 ft (rc= -1.4 )


River Description

This run coupled with the lower Slate is considered by some boaters to be some of the U.P.'s finest spring boating. It has excellent back-woods scenery, a real small creek feel, and a bunch of great drops.

On this upper run, the river is quite a small stream, mostly meandering through the woods. Random bedrock intrusions create an assortment of drops, most of which are boat-scoutable at reasonable water levels. The main exception is a falls, which comes immediately downstream of a bridge. Scouting is recommended from the right bank. A very irregular ledge drops the boater onto a low-angle slide (grungy at lower water levels) feeding into a hole as the water hits a good pool at the end of the slide. With enough water to make the slide not-grungy, the hole can get somewhat meaty.

Take-out after running this drop and carry back to bridge just upstream, or (if owner's permission is obtained in advance) proceed downstream to take-out at "Heartbreak Hotel" (a cabin just downstream, and immediately adjacent to both the river and Arvon Road).

Driving Directions: From downtown L'Anse, MI, head northeast on Skanee Road 11 miles to Arvon Road. Turn right (south) and proceed 4 miles to a significant clearing where the road veers off to the right. This is the 'usual' put-in. Snow or mud are likely to preclude travel on the logging road the additional mile beyond the quarry to the upper put-in. However, if the road is passible, there is some additional gradient upsteam which could add to the length and enjoyment of this otherwise fairly short segment.

This reach can be combined with the lower run, but the couple miles between is flatwater punctuated by plenty of deadfall. It's a tough call whether its more hassle to 'double-shuttle' or suffer the flatwater and snags. The lower run is completely different in character, and a serious notch up in difficulty and potential consequence. 'Hardcore' boaters may wish to completely skip the upper to concentrate on the lower run. It should be noted that it also contains a flat stretch with an even worse problem of deadfall.


StreamTeam Status: Not Verified
Last Updated: 2009-11-23 13:05:39

Quartzite Falls

Detail Trip Report  Quartzite Falls  Slate, MI(66.22KB .jpeg)

Bob runs Ecstasy Falls

Detail Trip Report  Bob runs Ecstasy Falls  Slate River, MI(4.76MB .mov)


Gauge Information

Gauge Description:

* The reference gauge here is for the Silver, which may be used as the 'first indicator'. Watersheds are parallel and about 5 miles apart. Correlation should be good, but is not assured.
This watershed is about half the size of the listed gauge, so estimated flows might be reduced accordingly.

Second gauge is to measure down from lower edge of bevel on cement bridge deck on upstream center of the bridge on Skanee Road. 10'6" is the lowest recommended level. It is runnable at this level, but quite boney. Remember, on a 'measure down' gauge, "less is more". That is, 10'1" (down to the water) is HIGHER than 10'6" (down to the water).

The final indicator is via inspection of river/rapids at put-in. If rapids look at least marginally boatable, then either reach (upper or lower) should be ok.

This upper reach is much less challenging, therefore less sensitive to water level differences than the lower reach of this river. (I.E., can be run more reasonably at higher flows than the lower section.)

Gauge Information

Name Range Difficulty Updated Level
SILVER RIVER NEAR L'ANSE, MI
usgs-04043150 8.58 - 9.85 ft II-III+ 00h43m ~ 6.83 ft (rc= -1.4 )
Reference gauge (Silver) is about 5 miles away. Correlation is not assured. Flows might be about half that gauge reading.
RangeWater LevelDifficultyComment
8.58 -9.85 ft barely runnable-high runnable II-III+

Report - Reports of Slate A) Upper: near Arvon quarry to Quartzite Falls (2.5 miles) and related gauges

Reports give the public a chance to report on river conditions throughout the country as well as log the history of a river.

Reports

When River/Gauge Subject Level Reporter
3y298d07h57m Slate River [MI] Bob runs Ecstasy Falls medium Mike Croak
> 10 years Slate [MI] Quartzite Falls n/a Thomas O'Keefe

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 A) Upper: near Arvon quarry to Quartzite Falls (2.5 miles), Slate Michigan, US (mobile)