Mount Baker is suitable for beginner to experienced climbers, but you will need a good level of fitness to accomplish this climb as you will be moving for a minimum of three hours on the rocks plus some additional hiking. Your ability to enjoy the adventure depends on your health and fitness. Your trip will be more rewarding if you prepare for it by conditioning properly well in advance. You will backpack a full load of gear into base camp.
There is a possibility of snow on the approach that may require ice axes and crampons, and exposed alpine rock. To ensure you have a fulfilling day, your guide will choose routes that best suit your skill and fitness level. Prior training in roped glacier travel will help with this adventure, but if you are fit and have good aerobic endurance, training during the trip will be sufficient to prepare you for the ascent.
The need to train for this climb cannot be overstressed. For several months prior to the start of the climb, training should include lots of long, slow, distance runs, hikes or biking over hilly terrain, an hour or more in duration. Add additional weekend outings working up to carrying a heavy pack (35-50 lbs