Here are some potential pros and cons to consider before purchasing property in Alta Sierra, California:

Pros:
- Natural beauty: Alta Sierra is surrounded by the beautiful Sierra Nevada mountain range, which offers stunning scenery and plenty of recreational opportunities.
- Access to outdoor recreation: You'll have easy access to hiking, camping, fishing, skiing, and other outdoor activities in the nearby national forests, lakes, and parks.
- Small-town feel: Alta Sierra is a small community, which some people may enjoy for its close-knit feel and slower pace of life.
- Proximity to other towns: While Alta Sierra itself is small, it's located within driving distance of larger towns like Nevada City and Grass Valley.
- Potential for investment: As the population of California continues to grow, the demand for properties in towns like Alta Sierra may increase, which could present a good investment opportunity.

Cons:
- Rural location: While some people may enjoy the seclusion and natural surroundings of Alta Sierra, others may find it too remote or lacking in amenities like shopping and restaurants.
- Limited job market: As a small town with a relatively small population, Alta Sierra may not offer many employment opportunities for those looking to work locally.
- Risk of natural disasters: As with other areas in California, Alta Sierra is at risk for wildfires and other natural disasters, which could pose a threat to property and personal safety.
- Seasonal activity: Alta Sierra is a popular destination for skiing and other outdoor winter activities, which can attract tourists but may also result in quieter off-seasons.
- Potential for property damage: The mountainous topography and weather patterns in this region may cause wear and tear on properties over time, which could result in costly repairs.

These are just some potential pros and cons to consider when weighing the decision to purchase property in Alta Sierra. Ultimately, making a well-informed decision will require doing additional research and potentially consulting with a local real estate professional.