Start by using reputable trail platforms and apps that allow you to filter by distance, elevation gain, difficulty, and user ratings. Focus your search on well-known areas around San Antonio such as Government Canyon State Natural Area, Friedrich Wilderness Park, Eisenhower Park, and the San Antonio Missions Hike and Bike Trail. Read recent user reviews to check for current conditions, closures, or construction. Many local hiking and outdoor clubs also publish recommended routes by experience level, which is especially useful if you are a beginner or transitioning to more advanced terrain. When in doubt, choose shorter, lower-elevation trails first, and gradually work your way up as you gain confidence and stamina.

Several locations consistently rank high among local hikers. Government Canyon State Natural Area on the northwest side offers a variety of trails from easy to challenging, including routes to scenic overlooks and dinosaur tracks. Friedrich Wilderness Park provides steep, rocky trails and excellent Hill Country views in a more compact setting. Eisenhower Park features well-marked loops, an observation tower, and both paved and natural-surface options. Closer to downtown, the Howard W. Peak Greenway Trails System and the San Antonio Missions Hike and Bike Trail offer flatter, multi-use paths along creeks and the San Antonio River. For those willing to drive a bit farther, Hill Country destinations like Guadalupe River State Park and Hill Country State Natural Area offer expanded options and more remote terrain.

The most comfortable hiking seasons in San Antonio are typically fall, winter, and early spring, when temperatures are cooler and humidity is lower. From roughly late October through early April, you can usually hike throughout the day with proper sun protection and hydration. During late spring and summer, it is best to start early in the morning or near sunset to avoid extreme heat and sun exposure. Many local hikers try to be off the trail by late morning during the hottest months. Always check the forecast for heat advisories or thunderstorms, as flash flooding and high temperatures can create unsafe conditions on exposed or low-lying trails. Some areas may also adjust hours seasonally, so confirm opening and closing times before you go.

At minimum, bring more water than you think you will need, especially in warmer months; many local hikers carry at least one liter per hour of planned hiking in hot conditions. Wear sturdy, closed-toe footwear with good traction suitable for rocky Hill Country terrain, and choose moisture-wicking clothing plus a hat and sunglasses. Apply broad-spectrum sunscreen and insect repellent, as some areas have ticks and mosquitoes. Carry a small pack with a map or downloaded offline trail app, a fully charged phone, basic first aid supplies, a snack with carbohydrates and electrolytes, and a light rain layer if storms are possible. Let someone know your planned route and expected return time, particularly if you will be on lesser-used trails or hiking solo.

Many local city parks and greenways in San Antonio are free to enter, but some popular hiking destinations have entrance fees or specific rules. Government Canyon State Natural Area, for example, charges a day-use fee or accepts a Texas State Parks Pass, and weekend reservations may be recommended during busy periods. City-managed properties like Friedrich Wilderness Park and Eisenhower Park are typically free but have posted hours, trail-use guidelines, and restrictions such as staying on marked paths and leashing pets where allowed. Bicycles may be limited to certain trails, and some natural areas close trails temporarily due to wet conditions or maintenance. Check the official website or park office before visiting to confirm current fees, hours, pet policies, and any required reservations or permits.