Texas Almanac, 1980-1981 Page: 52
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52 TEXAS ALMANAC-1980-1981
The difficulty of rapids information provides a
general rating of rapids for the indicated waterway
segments. The International Scale of River Difficulty,
as specified in the Parks and Wildlife Department bro-
chure "Whitewater! A Guide to Safe River Boating in
Canoe, Kayak or Raft," is used to rate the rapids.
The information on known danger areas provides
a quick reference to hazards both natural and man-
made which would pose a threat to safety or make an
outing more difficult Additional dangerous areas also
may be encountered, but those listed are known to be
present The "Whitewater" brochure should be con-
sulted for safety information
PUBLIC ACCESS
Potential waterway recreationists should be aware
that most lands along waterways, even those lands
adjacent to state-owned stream and river beds, are
under private ownership Caution should be exercised
to avoid infringing upon the rights of adjacent land-
owners and trespassing on private lands.
Therefore, waterway recreationists should keep to
known public lands, such as city, county, state and na-
tional parks, state and national forests, public road
rights-of-way and camps privately operated for public
use. Landowners will often allow use of their lands if
permission is sought in advance
At a leisurely pace, an average day's recreational
trip is approximately 12 miles. The River Recreation
Association of Texas (P O Box 12734, Austin, Texas
78711) has prepared a pamphlet entitled Rules of the
River which provides sound advice on courtesies riverrecreationists should adopt to avoid trespass and
other potential problems.
WATER LEVEL AND STREAMFLOW
INFORMATION
Annual rainfall in Texas progressively decreases
from east to west. Consequently, the water levels of
Texas waterways also vary. East Texas and Coastal
waterways generally run wide and deep, however,
waterways of Central and North-Central Texas be-
come narrow and usually are shallow during periods
of little rainfall. West Texas waterways vary from ex-
tremely shallow levels to enormous volumes of water,
also depending upon recent rainfall.
On all waterways the potential for flooding exists,
but the rocky, narrow and constricted waterways of
the Hill Country and the Desert Mountains of Central
and West Texas are especially susceptible to flash
flooding. During these flash floods, tremendous
amounts of water with potentially destructive force
can collect within rivers and streams in a short time,
posing serious threats to the safety of waterway rec-
reationists. These waterways should be avoided dur-
ing such periods.
The following chart suggests, in general, the range
of floatability on Texas waterways This optimum
range will vary from river to river, and only personal
experiences on specific sections of waterways will
prove what levels are best The chart should be consid-
ered only as a general reference in determining the
suitability of waterways across the state Streamflow
is presented in cubic feet per second (c f s )RECREATIONAL WATERWAYS GUIDE
In the table below, name of waterway is given together with starting point and ending point of trip, approxi
mate length of trip in miles, floatability level at normal flow (see 'footnote), difficulty of rapids according to
international scale (see footnotee, known danger areas
Angelina R , SH 21 to US 59, 46, 2, I, overhanging brush, fallen trees
Angelina R , Sam Rayburn Dam to B A Steinhagen Res , 24, 3, I
Barton Cr., Loop 360 to Zilker Park, 4, 1, Ill-IV, numerous large rapids, small falls
Big Cypress Byu., Lake O'Pines to Caddo Lake St Pk , 34, 2-3, I, fallen trees
Blanco R , Blanco St Pk to Wimberley, 35, 1-2, I-Il, numerous small dams, low water crossings, waterfall
Blanco R , Wimberley to San Marcos R , 29, 1-2, 1-II, numerous small dams, low water crossings, waterfall
Bosque R , Iredell to L Waco, 70, 1-2, 1-11, overhanging brush
Brazos R , CI Fk to Possum Kingdom, 30, 1-2, I
Brazos R , Possum Kingdom Dam to L Granbury, 120, 1-3, I-II
1Brazos R., L Granbury Dam to L Whitney, 66, 1-3, I-II
Brazos R , L Whitney Dam to Waco, 39, 1-3, I-II
Brazos R , Waco to FM 979, 67, 2-3, I, falls on Brazos
Brazos R , FM 979 to Navasota, 90, 3, I
Brazos R., CI Fk , US 180 to Main Brazos, 135, 1-2, I -II, Crystal Falls, dam and falls at Lueders
Colorado R., San Saba R to L Buchanan, 40, 2, I-II
Colorado R., Austin to Columbus, 150, 2-3, I-II, small dam below Austin
1Concho R., San Angelo to Colorado R , 40, 1-2, 1-I1, small dams, overhanging brush
Denton Cr , Grapevine Res to Elm Fk., 6, 1-2, 1-11
IDevils R , SH 163 to Amistad Res , 44, 1-2, II-IV, Dolan Falls, Wier dam
Frio R.; Garner St Pk to Concan, 12, 1-2, II, waterfall
Guadalupe R., Comfort to FM 3160, 45, 2-3, II-111
Guadalupe R., FM 3160 to Canyon Res, 25, 2-3, II-IV, Rock Pile and Dog Leg rapids, Mueller, Rust tails
IGuadalupe R , Canyon Dam to New Brauntels, 24, 1-3, Ill-IV The Chute, The Clutter, Rock Fall and Hueco
Springs rapids, Horsehoe and Slumber Falls, numerous low dams and low water crossings
Guadalupe R., Gonzales to Victoria, 100, 2-3, 1-11; rapid 3 miles above FM 447, log lams
Lampasas R., Rumley to Youngsport, 36, 1-2, I-II
ILampasas R., Stillhouse Hollow Dam to Leon R , 20, 1-2, I, overhanging brush, logs
Clampitt Paper Company
DALLAS * FORT WORTH * SAN ANTONIO * HOUSTON
AUSTIN * PHOENIX
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Texas Almanac, 1980-1981, book, 1979; (https://texashistory.unt.edu/ark:/67531/metapth113815/m1/54/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting Texas State Historical Association.