… trail offers a number of activity options and is accessible year-round. This trail has an elevation gain of 318 feet. Take Line 188 , 197 , 292 , 480 , or 492 to 1st St and Mills Ave, then head east on 1st St, and continue onto Huntington Dr to the … trail offers a number of activity options and is accessible year-round. This trail has an elevation gain of 479 feet. Take Line 286 to Diamond Bar and Tin or Crestview, then head south on Diamond Bar Blvd, turn left onto Steep Canyon Rd, turn left … offers a number of activity options and is accessible year-round. The trail has an elevation gain of 22 feet. Take Line 269 to Santa Anita Ave and Lexington-Gallatin Rd, then head northwest on Santa Anita Ave, and turn left to enter 750 Santa …