旅游路线和主要景点：

恒山风景区位于大同市南部，是五岳之一的恒山所在地，拥有丰富的自然景观和历史文化遗址。游览恒山风景区时，可以按照以下路线和主要景点进行参观：

1. 入口：穿过恒山风景区的入口，开始游览。

2. 金龙峡：金龙峡是恒山的一处壮观峡谷，欣赏峡谷美景。

3. 天峰寺：参观天峰寺，了解恒山的宗教历史。

4. 赤云岩：欣赏赤云岩上的奇特岩石和山峰景观。

5. 观景台：从观景台上远眺恒山的壮丽景色。

按照这些主要景点的顺序游览恒山风景区，体验大同市的自然风光和历史底蕴。预计游览时间约为3-5小时，根据个人兴趣和体力来合理安排。

Tour Route and Main Attractions:

Hengshan Scenic Area is located in the south of Datong City and is home to Mount Heng, one of the Five Great Mountains, with a wealth of natural landscapes and historical and cultural sites. When visiting Hengshan Scenic Area, you can follow the route and main attractions listed below:

1. Entrance: Pass through the entrance of Hengshan Scenic Area and start your tour.

2. Jinlong Canyon: Jinlong Canyon is a spectacular canyon in Hengshan, where you can appreciate the beautiful scenery of the canyon.

3. Tianfeng Temple: Visit Tianfeng Temple to learn about the religious history of Hengshan.

4. Chiyun Rock: Enjoy the unique rocks and mountain views on Chiyun Rock.

5. Viewing Platform: Admire the magnificent scenery of Hengshan from the viewing platform.

Visit Hengshan Scenic Area following the order of these main attractions to experience the natural scenery and historical heritage of Datong City. The estimated tour time is about 3-5 hours, and you can plan accordingly based on personal interests and physical condition.