Subject: Log of Field Inspection of Canning River including Marsh Fork, July
The purpose of this field inspection was to gather general resource information
and better acquaint responsible land management agencies with the river
Mike Jacobson, F&WS, Kaktovik
Dave Patterson, F&WS, Anchorage
Bill Long, State of Alaska Div. of Geological and Geophysical
Bill Welch, HCRS, Anchorage
Jim Morris, HCRS, Anchorage, Trip Leader
A "Turbo Beaver" chartered from Sea Airmotive in Anchorage was our
transportation to the Marsh Fork of the Canning River. Dave, Bill Welch, and I
left Anchorage in the morning and picked up Mike at a refueling stop in
Fairbanks. After a long slow flight and a short stop at Ft. Yukon the Turbo
Beaver set us down on a gravel bar on the Marsh Fork about 2 1/2 river miles
above the confluence with the creek originating near Porcupine Lake (T7S, R26E).
This was about as far up river we felt we could float with existing water level
and also have a gravel bar suitable for even the short landing and take off
capability of a Turbo Beaver. We found ourselves surrounded by some of the
impressively beautiful mountain scenery, which is typical of the eastern Brooks
Range. The Marsh Fork cuts a narrow swath through these mountains all the way
to the confluence with the main stem where the main stem of the . Canning River
continues for an additional few river miles through the mountains. The Marsh
Fork appears deceptively shallow from the air because of its clarity. Actually
its swiftness and depth make crossing it on foot a somewhat difficult task.
During the late evening the river temporarily rose a few inches, probably as a
result of snow melt in the headwaters during the day.
NOTE: These reports may not
contain important information about: 1) safety, 2) land management and ownership, 3) fishing and other
regulations and 4) possible errors >
Bill, Mike, and I spent much of the day exploring a small tributary to the east
of Marsh Fork. We found the walking terrain to be very good. Above the
floodplain the terrain is mostly dry, firm, and free from thick, tall brush or
tussocks. Similar terrain is found along the river until the main stem exits
from the mountains. We watched a band of over 70 sheep apparently all ewes and
lambs along the south slope of the creek drainage. We also spotted a golden
eagle and a single caribou. We checked out the creek draining the lake known as
X-ray Lake (T7S, R26E) and found the water level to be much to low for floating.
While walking in the evening on the west side of the river we spotted a wolf and
a red fox and three rams high above us on a ridge.
In the morning we inflated and loaded our two rafts (13' Avon Adventurer and a
12' Avon Redshank) and started off. This upper part of the Marsh Fork has a
moderately fast current of about 6 to 7 mph. The river is very braided and the
best channel is not always obvious. The river bottom is gravel. We encountered a
few narrow places and several shallow ripple bars, some requiring short
distances of dragging. Overhanging willow brush is a little annoying but posed
no hazards for us. During about 2 1/ 2 hours on the river we traveled about 10
river miles. Over this distance the river passes through a valley about 1/ 3
mile wide on the floor, with high scenic rock ridges on either side. We spotted
a few sheep and 1 cow caribou during the day. We made camp on a low gravelly
bench on the west bank of the river. Firewood is sparse. The air and water
temperature at 5:00 p.m., were 62F and 45F respectively. In the evening we hiked
up a creek flowing out of a narrow canyon typical of many canyons adjoining the
Marsh Fork. The terrain on the canyon floor offered easy walking. Poplar trees
up to 15 feet high occupied two separate draws along the north side of the
particular canyon we walked up. Bill Long arrived by chopper late in the
Today’s floating provided us with the best float boating waters of the entire
trip. During about 4 hours on the river we traveled about 20 river miles. The
first three river miles are very braided and shallow in several places so that
dragging the boats over very short distances occasionally was necessary. A short
stretch of Class II rapids with many rocks to maneuver around is encountered
before entering somewhat of a canyon where the river is mostly contained within
a single channel. For four miles the river offers exciting Class II rapids with
some bordering on Class III The challenge, although not a difficult one in
rafts, comes from maneuvering among the many rocks in moderately swift water
(averaging about 6 mph). At the north end of the "canyon" are good gravel bars
for aircraft use which appear to have received regular use. A rough landing
strip has been marked with rocks and flagging. The next 4 to 5 miles of river
includes about 1 mile of braided river and then more rapids, Class II and
possibly Class III. The waves here are higher than those encountered further up
river. Some large rocks are in the river and one short navigable falls that a
boater may easily avoid. There are also a few sharp angle turns here and
elsewhere on the river where the water rushes against a rock wall. These places
are easily spotted from a reasonable distance up river. However, at higher
water, these places could be very dangerous. The remainder of the day's float
was mostly along braided river with intermittent short stretches with rapids.
During the day we saw one bull caribou, a few sheep, and two golden eagles. Dave
caught a few grayling up to 12' long and several small Arctic char. We explored
a spring spilling water down a steep slope into the river along its west bank.
Bill Long estimated the flow to be 20 cfs. Poplar trees about 20 feet high and
up to about 5 inches in diameter grow near the spring.
During about 2 hours on the river we floated about 10 river miles. The river
current is about 6 mph. About half way through the days float we arrived at the
main stem of the Canning River. In disappointing contrast to the Marsh Fork the
main stem was very silty and continued to be cloudy the remainder of the trip.
The confluence area of the Marsh Fork and main stem is very braided. Careful
selection of a channel is important. We encountered some shallow ripple bars,
which required dragging the boats very short distances. Below the confluence the
river is still very braided but the main channel is obvious. Near the river on
the east side is a lake about 1/3 mile long. We saw Arctic char in the lake but
were unsuccessful in catching any. A few grayling were caught in
We traveled about 15 river miles in about 4 1/ 2 hours of floating. Much of the
river is braided but the main channel is easy to follow. The river moves at a
good rate with some Class II rapids. An upstream wind slowed our progress and
made it very difficult to keep the rafts in the main current, away from the
banks. The scenery changed drastically as we left the mountains and entered the
foothills country. We camped up stream from the outflow of Shublik Spring, a
major spring. In the evening Bill Long and I hiked to the source of the spring
where we found most of the water coming from 3 places. A relatively lush growth
of flowers and other low growing vegetation occurs around the source area of the
springs. Tall willow shrubs grow along the length of Shublik Creek.
We floated about 16 miles, camping near the mouth of Ignek Creek. In the
afternoon we encountered the first incremental weather of the trip. We had rain,
and worse, wind. Even with a good gradient and current the wind makes it very
difficult for rafts on the river. Wildlife viewing was very limited. Grizzly
bear tracks, but no bears were seen.
We floated about 20 miles of river during 6 hours on the river and perhaps 4
hours of actual floating. The river now is mostly a single channel with very
little braiding. The river maintains a good gradient and a current of about 3 to
4 mph. Some Class II rapids in the river. The main channel is about 50 yards
wide with gravel and rock bottom. The surrounding countryside is characterized
by low, rolling hills. We found the walking terrain on the low ridges to be
We traveled about 9 river miles during 3 hours on the river. We stopped at a
gravel bar suitable for our pick-up plane (Turbo Beaver) to land on. The
location is immediately above the Staines River Delta. The terrain is mostly
flat, typical of the Arctic coastal plain. The river still has a surprisingly
strong current for this close to the sea. The following day while flying out we
over flew a portion of the braided river and noted that the river continues to
have a noticeable current all the way to the sea.
In the morning we experienced rain and heavy ground fog (to be expected near the
coast) but our pick-up plane was able to come in during the afternoon.
The Marsh Fork offers a very good float boating experience in a raft or
whitewater kayak. The river has sufficient gradient to provide moderate to
fairly fast current, and has frequent rapids and even a couple short, low drops.
The use of canoes or large rigid kayaks is not practical because of difficult
access. The use of a folding flat-water type kayaks on Marsh Fork is not
recommended because of the many rocks to maneuver around. The Canning below the
confluence with the Marsh Fork is quite braided but has a moderate gradient and
current and offers good float boating. Less maneuvering is required.
In addition to float boating the most outstanding feature of this river is the
scenery. It is an intimate river where the mountains rise up within easy walking
distance from much of the river. Travelers should allow plenty of extra time to
walk up and explore some of the many canyons and ridges accessible from the
river. The opportunities for hiking in the mountains region are excellent.
Although requiring more time, a hike from the Canning River up Ignek Valley
between the Sadlerochet and Shublik Mountains is reported to be worth the
The Canning River passes through a very interesting as well as scenic geologic
display. The stratigraphic record revealed in the rocks of the Sadlerochit and
Shublik Mountains is very similar to that in the area of Prudhoe Bay oil field.
Thus a traveler through this area has the opportunity to see and interpret the
same rock sequence and phenomenon that is present in the petroleum bearing rocks
underneath the Arctic Slope. Viewable from the river are textbook examples of
structural features formed by the uplift of the mountains.
Camping sites along the river's gravel bars are numerous. Firewood, however, is
generally scarce. Fishing for grayling and Arctic char during our trip was poor.
The fishing probably changes with the time of year and with water clarity.
Although we did not observe or catch any, anadromous char reportedly run in the
river. Except for many Dall sheep observed on the slopes above the Marsh Fork,
wildlife viewing was poor. Of course this can also vary with time of year or
from year to year.
Access to the Canning River and Marsh Fork for float boaters is by chartered
aircraft. Expense will be high, as it is for access to many north Alaska rivers.
Chartering a plane from Anchorage, as we did because of unique circumstances, is
not recommended. Kaktovik (Barter Island) is served once a week and Ft. Yukon
and Prudhoe Bay receive flights every day. Each of these locations has charter
services available, however, availability of desired type of aircraft must be
checked and confirmed. The use of the gravel bars require aircraft capable of
landing and taking off in short distances on rough terrain.
Complete river log
Other information resources
List of rivers for which information is available on this website
Alagnak River | Alatna River
| American Creek
| Andreafsky River | Aniakchak River | Awuna River | Beaver Creek | Black River | Bremner River | Canning River | Charley River |
Chilikadrotna River | Chitina River | Colville River | Copper River | Delta River | Fortymile River | Gulkana River | Huslia River | Ivishak River | John River | Kakhonak River | Kanektok River | Karluk River | Kasegaluk Lagoon | King Salmon River | Kobuk River |
Koyukuk River North Fork | Little Susitna River | Mulchatna River | Nigu Etivluk rivers | Noatak River | Nowitna River | Nuyakuk River | Porcupine River | Saganirktok River | Salmon River (Kobuk) | Selawik River | Sheenjek River | Squirrel River | Talachulitna River | Tlikakila River | Togiak River | Unalakleet River |
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