Dallas Downriver Club

Date: May 31 - June 1, 2008 Sponsor: Power Olympic Center
River: San Marcos Trip Leader: Larry Lewis
Reach: San Marcos local Phone: 817-496-6276
Difficulty: Class I to II rapids * (See scale below) E-mail: wtrbug@hotmail.com
Rendezvous: Power Olympic Center, 8:00 AM Saturday
Campground: Pecan Park Retreat or Shady Grove Campground

Trip Description:

Power Olympic Outdoor Center is hosting a Swiftwater Rescue Class on Saturday and Sunday, May 31 - June 1, on the San Marcos River. Land-based classes will be taught at the POC facility on IH 35 northbound service road. Water-based instruction will be given at Rio Vista Dam or other locations on the San Marcos River. This will be a full 2-day class for those who paddle moving water or whitewater rivers, though any paddler would benefit from knowing the techniques taught in this class.

Gear Requirements:

Bring PFD's (lifejackets), a whistle or other signalling device, throwbag, tent, ground pad, sleeping bag, clothing for hot, cold, wet and dry conditions, camp chair, headlamp, plate(s), flatware, drinking cup, personal toiletries and other items that you may want to have with you. A small cooler for drinks and lunches to be carried in your boat would be recommended. Members of the group should coordinate on community gear such as cookware, stoves, fuel, charcoal and other such items.

Meals:

Bring your own meals, or dine in local restaurants. Bring plenty of snacks, beverages and lunches, but remember - NO GLASS OR FOAM POLYSTYRENE STYROFOAM CONTAINERS!

Back-up Plans:

There is no backup plan for this event.

Driving Directions:

Power Olympic Center is located on teh northound IH 35 service road immediately north of the San Marcos River between SH 80 and the river. Pecan Park Retreat is located a few miles east of San Marcos off County Road 102 just east of San Marcos Shady Grove campground is located on FM 1979 in Martindale, Guadalupe County, Texas east of IH 35 and San Marcos at the San Marcos River.

From Dallas (to Power Olympic Outdoor Center):

IH 35 South through Austin to San Marcos, then U-turn just north of the river;

POC is on the northboud service road to IH 35 where the U-turn intersects the service road.





Map to San Marcos Old City Park
San Marcos River map







* International Scale of River Difficulty

Class I: Easy. Fast moving water with riffles and small waves. Few obstructions, all obvious and easily missed with little training. Risk to swimmers is slight, self-rescue is easy.

Class II: Novice. Straightforward rapids with wide, clear channels which are evident without scouting. Occasional maneuvering may be required, but rocks and medium sized waves are easily missed by trained paddlers. Swimmers are seldom injured and group assistance, while helpful, is seldom needed.

Class III: Intermediate. Rapids with moderate, irregular waves which may be difficult to avoid and which can swamp an open canoe. Complex maneuvers in fast current and good boat control in tight passages or around ledges are often required; large waves or strainers may be present but are easily avoided. Strong eddies and powerful current effects can be found, particularly on large-volume rivers. Scouting is advisable for inexperienced parties. Injuries while swimming are rare; self-rescue is usually easy but group assistance may be required to avoid long swims.

Class IV: Advanced. Intense, powerful but predictable rapids requiring precise boat handling in turbulent water. Depending on the character of the river, it may feature large, unavoidable waves and holes or constricted passages demanding fast maneuvers under pressure. A fast, reliable eddy turn may be needed to initiate maneuvers, scout rapids, or rest. Rapids may require "must" moves above dangerous hazards. Scouting is necessary the first time down. Risk of injury to swimmers is moderate to high, and water conditions may make self-rescue difficult. Group assistance for rescue is often essential but requires practiced skills. A strong eskimo roll is highly recommended.

Class V: Expert. Extremely long, obstructed, or very violent rapids which expose a paddler to above average endangerment. Drops may contain large, unavoidable waves and holes or steep, congested chutes with complex, demanding routes. Rapids may continue for long distances between pools, demanding a high level of fitness. What eddies exist may be small, turbulent, or difficult to reach. At the high end of the scale, several of these factors may be combined. Scouting is mandatory but often difficult. Swims are dangerous, and rescue is difficult even for experts. A very reliable eskimo roll, proper equipment, extensive experience, and practiced rescue skills are essential for survival.

Class VI: Extreme. One grade more difficult than Class V. These runs often exemplify the extremes of difficulty, unpredictability and danger. The consequences of errors are very severe and rescue may be impossible. For teams of experts only, at favorable water levels, after close personal inspection and taking all precautions. This class does not represent drops thought to be unrunnable, but may include rapids which are only occasionally run.

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Last updated May 8, 2008